Home / 5,505.17-8,259.57-2,221.02

Finding the Fourth Proportional to 5,505.17, 8,259.57 and 2,221.02

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Solution

The fourth proportional to 5,505.17, 8,259.57 and 2,221.02 is: 3,332.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505.17 : 8,259.57 = 2,221.02 : x
  2. Step 2: Convert to fraction form
    5,505.17/8,259.57 = 2,221.02/x
  3. Step 3: Cross multiply
    5,505.17x = 8,259.57 × 2,221.02
  4. Step 4: Simplify right side
    5,505.17x = 18,344,670.16
  5. Step 5: Solve for x
    x = 18,344,670.16/5,505.17
  6. Step 6: Final answer
    x = 3,332.27

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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.