Home / 5,329.17-7,997.31-1,866.42

Finding the Fourth Proportional to 5,329.17, 7,997.31 and 1,866.42

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Solution

The fourth proportional to 5,329.17, 7,997.31 and 1,866.42 is: 2,800.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,329.17 : 7,997.31 = 1,866.42 : x
  2. Step 2: Convert to fraction form
    5,329.17/7,997.31 = 1,866.42/x
  3. Step 3: Cross multiply
    5,329.17x = 7,997.31 × 1,866.42
  4. Step 4: Simplify right side
    5,329.17x = 14,926,339.33
  5. Step 5: Solve for x
    x = 14,926,339.33/5,329.17
  6. Step 6: Final answer
    x = 2,800.88

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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.