Home / 6,278.52-8,663.77-3,760.58

Finding the Fourth Proportional to 6,278.52, 8,663.77 and 3,760.58

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Solution

The fourth proportional to 6,278.52, 8,663.77 and 3,760.58 is: 5,189.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278.52 : 8,663.77 = 3,760.58 : x
  2. Step 2: Convert to fraction form
    6,278.52/8,663.77 = 3,760.58/x
  3. Step 3: Cross multiply
    6,278.52x = 8,663.77 × 3,760.58
  4. Step 4: Simplify right side
    6,278.52x = 32,580,812.44
  5. Step 5: Solve for x
    x = 32,580,812.44/6,278.52
  6. Step 6: Final answer
    x = 5,189.25

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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.