Home / 3,802.33-5,247.33-2,123.69

Finding the Fourth Proportional to 3,802.33, 5,247.33 and 2,123.69

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Solution

The fourth proportional to 3,802.33, 5,247.33 and 2,123.69 is: 2,930.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,802.33 : 5,247.33 = 2,123.69 : x
  2. Step 2: Convert to fraction form
    3,802.33/5,247.33 = 2,123.69/x
  3. Step 3: Cross multiply
    3,802.33x = 5,247.33 × 2,123.69
  4. Step 4: Simplify right side
    3,802.33x = 11,143,691.63
  5. Step 5: Solve for x
    x = 11,143,691.63/3,802.33
  6. Step 6: Final answer
    x = 2,930.75

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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.