Home / 2,174.76-3,001.18-1,180.08

Finding the Fourth Proportional to 2,174.76, 3,001.18 and 1,180.08

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Solution

The fourth proportional to 2,174.76, 3,001.18 and 1,180.08 is: 1,628.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174.76 : 3,001.18 = 1,180.08 : x
  2. Step 2: Convert to fraction form
    2,174.76/3,001.18 = 1,180.08/x
  3. Step 3: Cross multiply
    2,174.76x = 3,001.18 × 1,180.08
  4. Step 4: Simplify right side
    2,174.76x = 3,541,632.49
  5. Step 5: Solve for x
    x = 3,541,632.49/2,174.76
  6. Step 6: Final answer
    x = 1,628.52

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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.