Home / 5,099.22-7,642.35-2,174.58

Finding the Fourth Proportional to 5,099.22, 7,642.35 and 2,174.58

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Solution

The fourth proportional to 5,099.22, 7,642.35 and 2,174.58 is: 3,259.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,099.22 : 7,642.35 = 2,174.58 : x
  2. Step 2: Convert to fraction form
    5,099.22/7,642.35 = 2,174.58/x
  3. Step 3: Cross multiply
    5,099.22x = 7,642.35 × 2,174.58
  4. Step 4: Simplify right side
    5,099.22x = 16,618,901.46
  5. Step 5: Solve for x
    x = 16,618,901.46/5,099.22
  6. Step 6: Final answer
    x = 3,259.11

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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.