Home / 3,553.68-5,319.48-2,253.20

Finding the Fourth Proportional to 3,553.68, 5,319.48 and 2,253.20

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Solution

The fourth proportional to 3,553.68, 5,319.48 and 2,253.20 is: 3,372.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.68 : 5,319.48 = 2,253.20 : x
  2. Step 2: Convert to fraction form
    3,553.68/5,319.48 = 2,253.20/x
  3. Step 3: Cross multiply
    3,553.68x = 5,319.48 × 2,253.20
  4. Step 4: Simplify right side
    3,553.68x = 11,985,852.34
  5. Step 5: Solve for x
    x = 11,985,852.34/3,553.68
  6. Step 6: Final answer
    x = 3,372.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.