Home / 5,028.48-7,543.80-3,181.68

Finding the Fourth Proportional to 5,028.48, 7,543.80 and 3,181.68

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Solution

The fourth proportional to 5,028.48, 7,543.80 and 3,181.68 is: 4,773.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.48 : 7,543.80 = 3,181.68 : x
  2. Step 2: Convert to fraction form
    5,028.48/7,543.80 = 3,181.68/x
  3. Step 3: Cross multiply
    5,028.48x = 7,543.80 × 3,181.68
  4. Step 4: Simplify right side
    5,028.48x = 24,001,957.58
  5. Step 5: Solve for x
    x = 24,001,957.58/5,028.48
  6. Step 6: Final answer
    x = 4,773.20

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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.