Home / 5,509.12-7,602.48-3,025.12

Finding the Fourth Proportional to 5,509.12, 7,602.48 and 3,025.12

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Solution

The fourth proportional to 5,509.12, 7,602.48 and 3,025.12 is: 4,174.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.12 : 7,602.48 = 3,025.12 : x
  2. Step 2: Convert to fraction form
    5,509.12/7,602.48 = 3,025.12/x
  3. Step 3: Cross multiply
    5,509.12x = 7,602.48 × 3,025.12
  4. Step 4: Simplify right side
    5,509.12x = 22,998,414.30
  5. Step 5: Solve for x
    x = 22,998,414.30/5,509.12
  6. Step 6: Final answer
    x = 4,174.61

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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.