Home / 7,531.28-10,391.94-4,386.92

Finding the Fourth Proportional to 7,531.28, 10,391.94 and 4,386.92

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Solution

The fourth proportional to 7,531.28, 10,391.94 and 4,386.92 is: 6,053.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,531.28 : 10,391.94 = 4,386.92 : x
  2. Step 2: Convert to fraction form
    7,531.28/10,391.94 = 4,386.92/x
  3. Step 3: Cross multiply
    7,531.28x = 10,391.94 × 4,386.92
  4. Step 4: Simplify right side
    7,531.28x = 45,588,609.42
  5. Step 5: Solve for x
    x = 45,588,609.42/7,531.28
  6. Step 6: Final answer
    x = 6,053.24

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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.