Home / 5,415.75-7,473.20-3,025.53

Finding the Fourth Proportional to 5,415.75, 7,473.20 and 3,025.53

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Solution

The fourth proportional to 5,415.75, 7,473.20 and 3,025.53 is: 4,174.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415.75 : 7,473.20 = 3,025.53 : x
  2. Step 2: Convert to fraction form
    5,415.75/7,473.20 = 3,025.53/x
  3. Step 3: Cross multiply
    5,415.75x = 7,473.20 × 3,025.53
  4. Step 4: Simplify right side
    5,415.75x = 22,610,390.80
  5. Step 5: Solve for x
    x = 22,610,390.80/5,415.75
  6. Step 6: Final answer
    x = 4,174.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.