Home / 7,027.55-10,542.78-2,867.57

Finding the Fourth Proportional to 7,027.55, 10,542.78 and 2,867.57

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Solution

The fourth proportional to 7,027.55, 10,542.78 and 2,867.57 is: 4,301.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,027.55 : 10,542.78 = 2,867.57 : x
  2. Step 2: Convert to fraction form
    7,027.55/10,542.78 = 2,867.57/x
  3. Step 3: Cross multiply
    7,027.55x = 10,542.78 × 2,867.57
  4. Step 4: Simplify right side
    7,027.55x = 30,232,159.64
  5. Step 5: Solve for x
    x = 30,232,159.64/7,027.55
  6. Step 6: Final answer
    x = 4,301.95

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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.