Home / 5,148.12-7,722.18-2,832.60

Finding the Fourth Proportional to 5,148.12, 7,722.18 and 2,832.60

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Solution

The fourth proportional to 5,148.12, 7,722.18 and 2,832.60 is: 4,248.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.12 : 7,722.18 = 2,832.60 : x
  2. Step 2: Convert to fraction form
    5,148.12/7,722.18 = 2,832.60/x
  3. Step 3: Cross multiply
    5,148.12x = 7,722.18 × 2,832.60
  4. Step 4: Simplify right side
    5,148.12x = 21,873,847.07
  5. Step 5: Solve for x
    x = 21,873,847.07/5,148.12
  6. Step 6: Final answer
    x = 4,248.90

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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.