Home / 2,280.04-3,146.45-1,232.10

Finding the Fourth Proportional to 2,280.04, 3,146.45 and 1,232.10

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Solution

The fourth proportional to 2,280.04, 3,146.45 and 1,232.10 is: 1,700.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280.04 : 3,146.45 = 1,232.10 : x
  2. Step 2: Convert to fraction form
    2,280.04/3,146.45 = 1,232.10/x
  3. Step 3: Cross multiply
    2,280.04x = 3,146.45 × 1,232.10
  4. Step 4: Simplify right side
    2,280.04x = 3,876,734.88
  5. Step 5: Solve for x
    x = 3,876,734.88/2,280.04
  6. Step 6: Final answer
    x = 1,700.29

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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.