Home / 5,040.15-7,563.33-3,188.72

Finding the Fourth Proportional to 5,040.15, 7,563.33 and 3,188.72

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Solution

The fourth proportional to 5,040.15, 7,563.33 and 3,188.72 is: 4,785.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,040.15 : 7,563.33 = 3,188.72 : x
  2. Step 2: Convert to fraction form
    5,040.15/7,563.33 = 3,188.72/x
  3. Step 3: Cross multiply
    5,040.15x = 7,563.33 × 3,188.72
  4. Step 4: Simplify right side
    5,040.15x = 24,117,303.82
  5. Step 5: Solve for x
    x = 24,117,303.82/5,040.15
  6. Step 6: Final answer
    x = 4,785.04

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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.