Home / 3,464.12-4,781.16-2,139.08

Finding the Fourth Proportional to 3,464.12, 4,781.16 and 2,139.08

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Solution

The fourth proportional to 3,464.12, 4,781.16 and 2,139.08 is: 2,952.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,464.12 : 4,781.16 = 2,139.08 : x
  2. Step 2: Convert to fraction form
    3,464.12/4,781.16 = 2,139.08/x
  3. Step 3: Cross multiply
    3,464.12x = 4,781.16 × 2,139.08
  4. Step 4: Simplify right side
    3,464.12x = 10,227,283.73
  5. Step 5: Solve for x
    x = 10,227,283.73/3,464.12
  6. Step 6: Final answer
    x = 2,952.35

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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.