Home / 6,257.13-8,634.81-3,605.07

Finding the Fourth Proportional to 6,257.13, 8,634.81 and 3,605.07

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Solution

The fourth proportional to 6,257.13, 8,634.81 and 3,605.07 is: 4,974.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,257.13 : 8,634.81 = 3,605.07 : x
  2. Step 2: Convert to fraction form
    6,257.13/8,634.81 = 3,605.07/x
  3. Step 3: Cross multiply
    6,257.13x = 8,634.81 × 3,605.07
  4. Step 4: Simplify right side
    6,257.13x = 31,129,094.49
  5. Step 5: Solve for x
    x = 31,129,094.49/6,257.13
  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.