Home / 6,257.80-8,635.14-3,605.32

Finding the Fourth Proportional to 6,257.80, 8,635.14 and 3,605.32

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Solution

The fourth proportional to 6,257.80, 8,635.14 and 3,605.32 is: 4,974.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,257.80 : 8,635.14 = 3,605.32 : x
  2. Step 2: Convert to fraction form
    6,257.80/8,635.14 = 3,605.32/x
  3. Step 3: Cross multiply
    6,257.80x = 8,635.14 × 3,605.32
  4. Step 4: Simplify right side
    6,257.80x = 31,132,442.94
  5. Step 5: Solve for x
    x = 31,132,442.94/6,257.80
  6. Step 6: Final answer
    x = 4,974.98

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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.