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Finding the Fourth Proportional to 7,372.76, 10,174.68 and 4,015.41

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Solution

The fourth proportional to 7,372.76, 10,174.68 and 4,015.41 is: 5,541.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.76 : 10,174.68 = 4,015.41 : x
  2. Step 2: Convert to fraction form
    7,372.76/10,174.68 = 4,015.41/x
  3. Step 3: Cross multiply
    7,372.76x = 10,174.68 × 4,015.41
  4. Step 4: Simplify right side
    7,372.76x = 40,855,511.82
  5. Step 5: Solve for x
    x = 40,855,511.82/7,372.76
  6. Step 6: Final answer
    x = 5,541.41

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Find fourth proportional to 3,686.38, 5,087.34 and 2,007.71
Half scale
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Double scale
Find fourth proportional to 7,373.76, 10,176.06 and 4,016.41
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.