Home / 3,116.24-4,305.12-2,328.92

Finding the Fourth Proportional to 3,116.24, 4,305.12 and 2,328.92

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Solution

The fourth proportional to 3,116.24, 4,305.12 and 2,328.92 is: 3,217.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.24 : 4,305.12 = 2,328.92 : x
  2. Step 2: Convert to fraction form
    3,116.24/4,305.12 = 2,328.92/x
  3. Step 3: Cross multiply
    3,116.24x = 4,305.12 × 2,328.92
  4. Step 4: Simplify right side
    3,116.24x = 10,026,280.07
  5. Step 5: Solve for x
    x = 10,026,280.07/3,116.24
  6. Step 6: Final answer
    x = 3,217.43

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Half scale
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Double 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.