Home / 5,915.43-8,869.70-2,407.12

Finding the Fourth Proportional to 5,915.43, 8,869.70 and 2,407.12

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Solution

The fourth proportional to 5,915.43, 8,869.70 and 2,407.12 is: 3,609.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.43 : 8,869.70 = 2,407.12 : x
  2. Step 2: Convert to fraction form
    5,915.43/8,869.70 = 2,407.12/x
  3. Step 3: Cross multiply
    5,915.43x = 8,869.70 × 2,407.12
  4. Step 4: Simplify right side
    5,915.43x = 21,350,416.11
  5. Step 5: Solve for x
    x = 21,350,416.11/5,915.43
  6. Step 6: Final answer
    x = 3,609.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.