Home / 3,712.67-5,123.00-2,220.04

Finding the Fourth Proportional to 3,712.67, 5,123.00 and 2,220.04

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Solution

The fourth proportional to 3,712.67, 5,123.00 and 2,220.04 is: 3,063.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.67 : 5,123.00 = 2,220.04 : x
  2. Step 2: Convert to fraction form
    3,712.67/5,123.00 = 2,220.04/x
  3. Step 3: Cross multiply
    3,712.67x = 5,123.00 × 2,220.04
  4. Step 4: Simplify right side
    3,712.67x = 11,373,264.39
  5. Step 5: Solve for x
    x = 11,373,264.39/3,712.67
  6. Step 6: Final answer
    x = 3,063.37

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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.