Home / 5,432.26-8,135.12-4,906.36

Finding the Fourth Proportional to 5,432.26, 8,135.12 and 4,906.36

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Solution

The fourth proportional to 5,432.26, 8,135.12 and 4,906.36 is: 7,347.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432.26 : 8,135.12 = 4,906.36 : x
  2. Step 2: Convert to fraction form
    5,432.26/8,135.12 = 4,906.36/x
  3. Step 3: Cross multiply
    5,432.26x = 8,135.12 × 4,906.36
  4. Step 4: Simplify right side
    5,432.26x = 39,913,827.36
  5. Step 5: Solve for x
    x = 39,913,827.36/5,432.26
  6. Step 6: Final answer
    x = 7,347.55

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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.