Home / 6,281.22-8,666.87-4,042.56

Finding the Fourth Proportional to 6,281.22, 8,666.87 and 4,042.56

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Solution

The fourth proportional to 6,281.22, 8,666.87 and 4,042.56 is: 5,577.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,281.22 : 8,666.87 = 4,042.56 : x
  2. Step 2: Convert to fraction form
    6,281.22/8,666.87 = 4,042.56/x
  3. Step 3: Cross multiply
    6,281.22x = 8,666.87 × 4,042.56
  4. Step 4: Simplify right side
    6,281.22x = 35,036,321.77
  5. Step 5: Solve for x
    x = 35,036,321.77/6,281.22
  6. Step 6: Final answer
    x = 5,577.95

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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.