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Finding the Fourth Proportional to 5,767.50, 7,962.99 and 3,410.40

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Solution

The fourth proportional to 5,767.50, 7,962.99 and 3,410.40 is: 4,708.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,767.50 : 7,962.99 = 3,410.40 : x
  2. Step 2: Convert to fraction form
    5,767.50/7,962.99 = 3,410.40/x
  3. Step 3: Cross multiply
    5,767.50x = 7,962.99 × 3,410.40
  4. Step 4: Simplify right side
    5,767.50x = 27,156,981.10
  5. Step 5: Solve for x
    x = 27,156,981.10/5,767.50
  6. Step 6: Final answer
    x = 4,708.62

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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.