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Finding the Fourth Proportional to 3,592.76, 4,957.98 and 2,021

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Solution

The fourth proportional to 3,592.76, 4,957.98 and 2,021 is: 2,788.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,592.76 : 4,957.98 = 2,021 : x
  2. Step 2: Convert to fraction form
    3,592.76/4,957.98 = 2,021/x
  3. Step 3: Cross multiply
    3,592.76x = 4,957.98 × 2,021
  4. Step 4: Simplify right side
    3,592.76x = 10,020,077.58
  5. Step 5: Solve for x
    x = 10,020,077.58/3,592.76
  6. Step 6: Final answer
    x = 2,788.96

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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.