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Finding the Fourth Proportional to 5,326.47, 7,990.97 and 2,404.76

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Solution

The fourth proportional to 5,326.47, 7,990.97 and 2,404.76 is: 3,607.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,326.47 : 7,990.97 = 2,404.76 : x
  2. Step 2: Convert to fraction form
    5,326.47/7,990.97 = 2,404.76/x
  3. Step 3: Cross multiply
    5,326.47x = 7,990.97 × 2,404.76
  4. Step 4: Simplify right side
    5,326.47x = 19,216,313.04
  5. Step 5: Solve for x
    x = 19,216,313.04/5,326.47
  6. Step 6: Final answer
    x = 3,607.70

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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.