Home / 5,099.60-7,649.40-1,402.22

Finding the Fourth Proportional to 5,099.60, 7,649.40 and 1,402.22

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Solution

The fourth proportional to 5,099.60, 7,649.40 and 1,402.22 is: 2,103.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,099.60 : 7,649.40 = 1,402.22 : x
  2. Step 2: Convert to fraction form
    5,099.60/7,649.40 = 1,402.22/x
  3. Step 3: Cross multiply
    5,099.60x = 7,649.40 × 1,402.22
  4. Step 4: Simplify right side
    5,099.60x = 10,726,103.42
  5. Step 5: Solve for x
    x = 10,726,103.42/5,099.60
  6. Step 6: Final answer
    x = 2,103.32

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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.