Home / 7,331.67-10,117.53-3,974.34

Finding the Fourth Proportional to 7,331.67, 10,117.53 and 3,974.34

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Solution

The fourth proportional to 7,331.67, 10,117.53 and 3,974.34 is: 5,484.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.67 : 10,117.53 = 3,974.34 : x
  2. Step 2: Convert to fraction form
    7,331.67/10,117.53 = 3,974.34/x
  3. Step 3: Cross multiply
    7,331.67x = 10,117.53 × 3,974.34
  4. Step 4: Simplify right side
    7,331.67x = 40,210,504.18
  5. Step 5: Solve for x
    x = 40,210,504.18/7,331.67
  6. Step 6: Final answer
    x = 5,484.49

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Double scale
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Similar ratio
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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.