Home / 5,530.79-8,291.28-3,966.86

Finding the Fourth Proportional to 5,530.79, 8,291.28 and 3,966.86

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Solution

The fourth proportional to 5,530.79, 8,291.28 and 3,966.86 is: 5,946.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,530.79 : 8,291.28 = 3,966.86 : x
  2. Step 2: Convert to fraction form
    5,530.79/8,291.28 = 3,966.86/x
  3. Step 3: Cross multiply
    5,530.79x = 8,291.28 × 3,966.86
  4. Step 4: Simplify right side
    5,530.79x = 32,890,305.52
  5. Step 5: Solve for x
    x = 32,890,305.52/5,530.79
  6. Step 6: Final answer
    x = 5,946.77

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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.