Home / 3,875.07-5,348.12-2,481.87

Finding the Fourth Proportional to 3,875.07, 5,348.12 and 2,481.87

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Solution

The fourth proportional to 3,875.07, 5,348.12 and 2,481.87 is: 3,425.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,875.07 : 5,348.12 = 2,481.87 : x
  2. Step 2: Convert to fraction form
    3,875.07/5,348.12 = 2,481.87/x
  3. Step 3: Cross multiply
    3,875.07x = 5,348.12 × 2,481.87
  4. Step 4: Simplify right side
    3,875.07x = 13,273,326.18
  5. Step 5: Solve for x
    x = 13,273,326.18/3,875.07
  6. Step 6: Final answer
    x = 3,425.31

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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.