Home / 5,312.14-7,331.55-3,217.48

Finding the Fourth Proportional to 5,312.14, 7,331.55 and 3,217.48

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Solution

The fourth proportional to 5,312.14, 7,331.55 and 3,217.48 is: 4,440.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.14 : 7,331.55 = 3,217.48 : x
  2. Step 2: Convert to fraction form
    5,312.14/7,331.55 = 3,217.48/x
  3. Step 3: Cross multiply
    5,312.14x = 7,331.55 × 3,217.48
  4. Step 4: Simplify right side
    5,312.14x = 23,589,115.49
  5. Step 5: Solve for x
    x = 23,589,115.49/5,312.14
  6. Step 6: Final answer
    x = 4,440.61

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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.