Home / 6,432.55-8,877.26-3,914.26

Finding the Fourth Proportional to 6,432.55, 8,877.26 and 3,914.26

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Solution

The fourth proportional to 6,432.55, 8,877.26 and 3,914.26 is: 5,401.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,432.55 : 8,877.26 = 3,914.26 : x
  2. Step 2: Convert to fraction form
    6,432.55/8,877.26 = 3,914.26/x
  3. Step 3: Cross multiply
    6,432.55x = 8,877.26 × 3,914.26
  4. Step 4: Simplify right side
    6,432.55x = 34,747,891.32
  5. Step 5: Solve for x
    x = 34,747,891.32/6,432.55
  6. Step 6: Final answer
    x = 5,401.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.