Home / 5,434.76-8,146.63-3,089.92

Finding the Fourth Proportional to 5,434.76, 8,146.63 and 3,089.92

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Solution

The fourth proportional to 5,434.76, 8,146.63 and 3,089.92 is: 4,631.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,434.76 : 8,146.63 = 3,089.92 : x
  2. Step 2: Convert to fraction form
    5,434.76/8,146.63 = 3,089.92/x
  3. Step 3: Cross multiply
    5,434.76x = 8,146.63 × 3,089.92
  4. Step 4: Simplify right side
    5,434.76x = 25,172,437.43
  5. Step 5: Solve for x
    x = 25,172,437.43/5,434.76
  6. Step 6: Final answer
    x = 4,631.75

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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.