Home / 2,298.11-3,171.39-1,250.17

Finding the Fourth Proportional to 2,298.11, 3,171.39 and 1,250.17

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Solution

The fourth proportional to 2,298.11, 3,171.39 and 1,250.17 is: 1,725.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,298.11 : 3,171.39 = 1,250.17 : x
  2. Step 2: Convert to fraction form
    2,298.11/3,171.39 = 1,250.17/x
  3. Step 3: Cross multiply
    2,298.11x = 3,171.39 × 1,250.17
  4. Step 4: Simplify right side
    2,298.11x = 3,964,776.64
  5. Step 5: Solve for x
    x = 3,964,776.64/2,298.11
  6. Step 6: Final answer
    x = 1,725.23

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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.