Home / 5,090.92-7,024.22-3,101.36

Finding the Fourth Proportional to 5,090.92, 7,024.22 and 3,101.36

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Solution

The fourth proportional to 5,090.92, 7,024.22 and 3,101.36 is: 4,279.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090.92 : 7,024.22 = 3,101.36 : x
  2. Step 2: Convert to fraction form
    5,090.92/7,024.22 = 3,101.36/x
  3. Step 3: Cross multiply
    5,090.92x = 7,024.22 × 3,101.36
  4. Step 4: Simplify right side
    5,090.92x = 21,784,595.94
  5. Step 5: Solve for x
    x = 21,784,595.94/5,090.92
  6. Step 6: Final answer
    x = 4,279.11

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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.