Home / 3,962.92-5,938.98-2,862.40

Finding the Fourth Proportional to 3,962.92, 5,938.98 and 2,862.40

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Solution

The fourth proportional to 3,962.92, 5,938.98 and 2,862.40 is: 4,289.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,962.92 : 5,938.98 = 2,862.40 : x
  2. Step 2: Convert to fraction form
    3,962.92/5,938.98 = 2,862.40/x
  3. Step 3: Cross multiply
    3,962.92x = 5,938.98 × 2,862.40
  4. Step 4: Simplify right side
    3,962.92x = 16,999,736.35
  5. Step 5: Solve for x
    x = 16,999,736.35/3,962.92
  6. Step 6: Final answer
    x = 4,289.70

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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.