Home / 5,121.24-7,679.44-3,041.52

Finding the Fourth Proportional to 5,121.24, 7,679.44 and 3,041.52

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Solution

The fourth proportional to 5,121.24, 7,679.44 and 3,041.52 is: 4,560.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,121.24 : 7,679.44 = 3,041.52 : x
  2. Step 2: Convert to fraction form
    5,121.24/7,679.44 = 3,041.52/x
  3. Step 3: Cross multiply
    5,121.24x = 7,679.44 × 3,041.52
  4. Step 4: Simplify right side
    5,121.24x = 23,357,170.35
  5. Step 5: Solve for x
    x = 23,357,170.35/5,121.24
  6. Step 6: Final answer
    x = 4,560.84

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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.