Home / 5,474.98-7,555.48-3,117.12

Finding the Fourth Proportional to 5,474.98, 7,555.48 and 3,117.12

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Solution

The fourth proportional to 5,474.98, 7,555.48 and 3,117.12 is: 4,301.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,474.98 : 7,555.48 = 3,117.12 : x
  2. Step 2: Convert to fraction form
    5,474.98/7,555.48 = 3,117.12/x
  3. Step 3: Cross multiply
    5,474.98x = 7,555.48 × 3,117.12
  4. Step 4: Simplify right side
    5,474.98x = 23,551,330.02
  5. Step 5: Solve for x
    x = 23,551,330.02/5,474.98
  6. Step 6: Final answer
    x = 4,301.63

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Half scale
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Double scale
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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.