Home / 4,114.69-5,678.40-2,251.69

Finding the Fourth Proportional to 4,114.69, 5,678.40 and 2,251.69

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Solution

The fourth proportional to 4,114.69, 5,678.40 and 2,251.69 is: 3,107.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,114.69 : 5,678.40 = 2,251.69 : x
  2. Step 2: Convert to fraction form
    4,114.69/5,678.40 = 2,251.69/x
  3. Step 3: Cross multiply
    4,114.69x = 5,678.40 × 2,251.69
  4. Step 4: Simplify right side
    4,114.69x = 12,785,996.50
  5. Step 5: Solve for x
    x = 12,785,996.50/4,114.69
  6. Step 6: Final answer
    x = 3,107.40

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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.