Home / 3,875.91-5,348.88-2,197.59

Finding the Fourth Proportional to 3,875.91, 5,348.88 and 2,197.59

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Solution

The fourth proportional to 3,875.91, 5,348.88 and 2,197.59 is: 3,032.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,875.91 : 5,348.88 = 2,197.59 : x
  2. Step 2: Convert to fraction form
    3,875.91/5,348.88 = 2,197.59/x
  3. Step 3: Cross multiply
    3,875.91x = 5,348.88 × 2,197.59
  4. Step 4: Simplify right side
    3,875.91x = 11,754,645.20
  5. Step 5: Solve for x
    x = 11,754,645.20/3,875.91
  6. Step 6: Final answer
    x = 3,032.74

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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.