Home / 6,257.19-8,634.90-3,605.10

Finding the Fourth Proportional to 6,257.19, 8,634.90 and 3,605.10

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Solution

The fourth proportional to 6,257.19, 8,634.90 and 3,605.10 is: 4,975.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,257.19 : 8,634.90 = 3,605.10 : x
  2. Step 2: Convert to fraction form
    6,257.19/8,634.90 = 3,605.10/x
  3. Step 3: Cross multiply
    6,257.19x = 8,634.90 × 3,605.10
  4. Step 4: Simplify right side
    6,257.19x = 31,129,677.99
  5. Step 5: Solve for x
    x = 31,129,677.99/6,257.19
  6. Step 6: Final answer
    x = 4,975.03

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Half scale
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Double scale
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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.