Home / 3,432.60-4,726.62-3,240.36

Finding the Fourth Proportional to 3,432.60, 4,726.62 and 3,240.36

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Solution

The fourth proportional to 3,432.60, 4,726.62 and 3,240.36 is: 4,461.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.60 : 4,726.62 = 3,240.36 : x
  2. Step 2: Convert to fraction form
    3,432.60/4,726.62 = 3,240.36/x
  3. Step 3: Cross multiply
    3,432.60x = 4,726.62 × 3,240.36
  4. Step 4: Simplify right side
    3,432.60x = 15,315,950.38
  5. Step 5: Solve for x
    x = 15,315,950.38/3,432.60
  6. Step 6: Final answer
    x = 4,461.91

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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.