Home / 2,280.33-3,146.85-1,232.39

Finding the Fourth Proportional to 2,280.33, 3,146.85 and 1,232.39

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Solution

The fourth proportional to 2,280.33, 3,146.85 and 1,232.39 is: 1,700.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280.33 : 3,146.85 = 1,232.39 : x
  2. Step 2: Convert to fraction form
    2,280.33/3,146.85 = 1,232.39/x
  3. Step 3: Cross multiply
    2,280.33x = 3,146.85 × 1,232.39
  4. Step 4: Simplify right side
    2,280.33x = 3,878,132.44
  5. Step 5: Solve for x
    x = 3,878,132.44/2,280.33
  6. Step 6: Final answer
    x = 1,700.69

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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.