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Finding the Fourth Proportional to 4,957.36, 6,841.08 and 2,719.28

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Solution

The fourth proportional to 4,957.36, 6,841.08 and 2,719.28 is: 3,752.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,957.36 : 6,841.08 = 2,719.28 : x
  2. Step 2: Convert to fraction form
    4,957.36/6,841.08 = 2,719.28/x
  3. Step 3: Cross multiply
    4,957.36x = 6,841.08 × 2,719.28
  4. Step 4: Simplify right side
    4,957.36x = 18,602,812.02
  5. Step 5: Solve for x
    x = 18,602,812.02/4,957.36
  6. Step 6: Final answer
    x = 3,752.56

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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.