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Finding the Fourth Proportional to 5,798.80, 8,700.56 and 2,101.42

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Solution

The fourth proportional to 5,798.80, 8,700.56 and 2,101.42 is: 3,152.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,798.80 : 8,700.56 = 2,101.42 : x
  2. Step 2: Convert to fraction form
    5,798.80/8,700.56 = 2,101.42/x
  3. Step 3: Cross multiply
    5,798.80x = 8,700.56 × 2,101.42
  4. Step 4: Simplify right side
    5,798.80x = 18,283,530.80
  5. Step 5: Solve for x
    x = 18,283,530.80/5,798.80
  6. Step 6: Final answer
    x = 3,152.99

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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.