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Finding the Fourth Proportional to 3,866.04, 5,799.06 and 1,557

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Solution

The fourth proportional to 3,866.04, 5,799.06 and 1,557 is: 2,335.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,866.04 : 5,799.06 = 1,557 : x
  2. Step 2: Convert to fraction form
    3,866.04/5,799.06 = 1,557/x
  3. Step 3: Cross multiply
    3,866.04x = 5,799.06 × 1,557
  4. Step 4: Simplify right side
    3,866.04x = 9,029,136.42
  5. Step 5: Solve for x
    x = 9,029,136.42/3,866.04
  6. Step 6: Final answer
    x = 2,335.50

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Similar ratio
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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.