Home / 3,116.14-4,294.36-2,230.40

Finding the Fourth Proportional to 3,116.14, 4,294.36 and 2,230.40

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Solution

The fourth proportional to 3,116.14, 4,294.36 and 2,230.40 is: 3,073.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.14 : 4,294.36 = 2,230.40 : x
  2. Step 2: Convert to fraction form
    3,116.14/4,294.36 = 2,230.40/x
  3. Step 3: Cross multiply
    3,116.14x = 4,294.36 × 2,230.40
  4. Step 4: Simplify right side
    3,116.14x = 9,578,140.54
  5. Step 5: Solve for x
    x = 9,578,140.54/3,116.14
  6. Step 6: Final answer
    x = 3,073.72

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Half scale
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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.