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Finding the Fourth Proportional to 3,592.79, 4,957.99 and 2,020.88

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Solution

The fourth proportional to 3,592.79, 4,957.99 and 2,020.88 is: 2,788.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,592.79 : 4,957.99 = 2,020.88 : x
  2. Step 2: Convert to fraction form
    3,592.79/4,957.99 = 2,020.88/x
  3. Step 3: Cross multiply
    3,592.79x = 4,957.99 × 2,020.88
  4. Step 4: Simplify right side
    3,592.79x = 10,019,510.17
  5. Step 5: Solve for x
    x = 10,019,510.17/3,592.79
  6. Step 6: Final answer
    x = 2,788.79

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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.