Home / 6,278.10-8,672.30-5,028.13

Finding the Fourth Proportional to 6,278.10, 8,672.30 and 5,028.13

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Solution

The fourth proportional to 6,278.10, 8,672.30 and 5,028.13 is: 6,945.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278.10 : 8,672.30 = 5,028.13 : x
  2. Step 2: Convert to fraction form
    6,278.10/8,672.30 = 5,028.13/x
  3. Step 3: Cross multiply
    6,278.10x = 8,672.30 × 5,028.13
  4. Step 4: Simplify right side
    6,278.10x = 43,605,451.80
  5. Step 5: Solve for x
    x = 43,605,451.80/6,278.10
  6. Step 6: Final answer
    x = 6,945.64

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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.