Home / 3,101.40-4,276.17-2,314.08

Finding the Fourth Proportional to 3,101.40, 4,276.17 and 2,314.08

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Solution

The fourth proportional to 3,101.40, 4,276.17 and 2,314.08 is: 3,190.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.40 : 4,276.17 = 2,314.08 : x
  2. Step 2: Convert to fraction form
    3,101.40/4,276.17 = 2,314.08/x
  3. Step 3: Cross multiply
    3,101.40x = 4,276.17 × 2,314.08
  4. Step 4: Simplify right side
    3,101.40x = 9,895,399.47
  5. Step 5: Solve for x
    x = 9,895,399.47/3,101.40
  6. Step 6: Final answer
    x = 3,190.62

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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.