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Finding the Fourth Proportional to 5,347.98, 8,034.30 and 3,158.28

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Solution

The fourth proportional to 5,347.98, 8,034.30 and 3,158.28 is: 4,744.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,347.98 : 8,034.30 = 3,158.28 : x
  2. Step 2: Convert to fraction form
    5,347.98/8,034.30 = 3,158.28/x
  3. Step 3: Cross multiply
    5,347.98x = 8,034.30 × 3,158.28
  4. Step 4: Simplify right side
    5,347.98x = 25,374,569.00
  5. Step 5: Solve for x
    x = 25,374,569.00/5,347.98
  6. Step 6: Final answer
    x = 4,744.70

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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.