Home / 3,725.22-5,139-2,232.66

Finding the Fourth Proportional to 3,725.22, 5,139 and 2,232.66

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Solution

The fourth proportional to 3,725.22, 5,139 and 2,232.66 is: 3,079.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,725.22 : 5,139 = 2,232.66 : x
  2. Step 2: Convert to fraction form
    3,725.22/5,139 = 2,232.66/x
  3. Step 3: Cross multiply
    3,725.22x = 5,139 × 2,232.66
  4. Step 4: Simplify right side
    3,725.22x = 11,473,639.74
  5. Step 5: Solve for x
    x = 11,473,639.74/3,725.22
  6. Step 6: Final answer
    x = 3,079.99

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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.