Home / 5,257.32-7,256.36-3,269.40

Finding the Fourth Proportional to 5,257.32, 7,256.36 and 3,269.40

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Solution

The fourth proportional to 5,257.32, 7,256.36 and 3,269.40 is: 4,512.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257.32 : 7,256.36 = 3,269.40 : x
  2. Step 2: Convert to fraction form
    5,257.32/7,256.36 = 3,269.40/x
  3. Step 3: Cross multiply
    5,257.32x = 7,256.36 × 3,269.40
  4. Step 4: Simplify right side
    5,257.32x = 23,723,943.38
  5. Step 5: Solve for x
    x = 23,723,943.38/5,257.32
  6. Step 6: Final answer
    x = 4,512.55

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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.