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Finding the Fourth Proportional to 2,600.43, 3,901.26 and 751.52

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Solution

The fourth proportional to 2,600.43, 3,901.26 and 751.52 is: 1,127.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,600.43 : 3,901.26 = 751.52 : x
  2. Step 2: Convert to fraction form
    2,600.43/3,901.26 = 751.52/x
  3. Step 3: Cross multiply
    2,600.43x = 3,901.26 × 751.52
  4. Step 4: Simplify right side
    2,600.43x = 2,931,855.41
  5. Step 5: Solve for x
    x = 2,931,855.41/2,600.43
  6. Step 6: Final answer
    x = 1,127.45

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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.