Home / 5,699.90-8,552.45-2,188.76

Finding the Fourth Proportional to 5,699.90, 8,552.45 and 2,188.76

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Solution

The fourth proportional to 5,699.90, 8,552.45 and 2,188.76 is: 3,284.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,699.90 : 8,552.45 = 2,188.76 : x
  2. Step 2: Convert to fraction form
    5,699.90/8,552.45 = 2,188.76/x
  3. Step 3: Cross multiply
    5,699.90x = 8,552.45 × 2,188.76
  4. Step 4: Simplify right side
    5,699.90x = 18,719,223.17
  5. Step 5: Solve for x
    x = 18,719,223.17/5,699.90
  6. Step 6: Final answer
    x = 3,284.13

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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.