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Finding the Fourth Proportional to 4,957.59, 6,841.47 and 2,719.47

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Solution

The fourth proportional to 4,957.59, 6,841.47 and 2,719.47 is: 3,752.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,957.59 : 6,841.47 = 2,719.47 : x
  2. Step 2: Convert to fraction form
    4,957.59/6,841.47 = 2,719.47/x
  3. Step 3: Cross multiply
    4,957.59x = 6,841.47 × 2,719.47
  4. Step 4: Simplify right side
    4,957.59x = 18,605,172.42
  5. Step 5: Solve for x
    x = 18,605,172.42/4,957.59
  6. Step 6: Final answer
    x = 3,752.87

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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.