Home / 5,711.31-8,566.16-1,551.69

Finding the Fourth Proportional to 5,711.31, 8,566.16 and 1,551.69

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Solution

The fourth proportional to 5,711.31, 8,566.16 and 1,551.69 is: 2,327.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,711.31 : 8,566.16 = 1,551.69 : x
  2. Step 2: Convert to fraction form
    5,711.31/8,566.16 = 1,551.69/x
  3. Step 3: Cross multiply
    5,711.31x = 8,566.16 × 1,551.69
  4. Step 4: Simplify right side
    5,711.31x = 13,292,017.05
  5. Step 5: Solve for x
    x = 13,292,017.05/5,711.31
  6. Step 6: Final answer
    x = 2,327.31

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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.