Home / 5,531.32-8,288.34-3,475

Finding the Fourth Proportional to 5,531.32, 8,288.34 and 3,475

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Solution

The fourth proportional to 5,531.32, 8,288.34 and 3,475 is: 5,207.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,531.32 : 8,288.34 = 3,475 : x
  2. Step 2: Convert to fraction form
    5,531.32/8,288.34 = 3,475/x
  3. Step 3: Cross multiply
    5,531.32x = 8,288.34 × 3,475
  4. Step 4: Simplify right side
    5,531.32x = 28,801,981.50
  5. Step 5: Solve for x
    x = 28,801,981.50/5,531.32
  6. Step 6: Final answer
    x = 5,207.07

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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.