Home / 3,613.75-4,987.10-2,216.23

Finding the Fourth Proportional to 3,613.75, 4,987.10 and 2,216.23

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Solution

The fourth proportional to 3,613.75, 4,987.10 and 2,216.23 is: 3,058.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.75 : 4,987.10 = 2,216.23 : x
  2. Step 2: Convert to fraction form
    3,613.75/4,987.10 = 2,216.23/x
  3. Step 3: Cross multiply
    3,613.75x = 4,987.10 × 2,216.23
  4. Step 4: Simplify right side
    3,613.75x = 11,052,560.63
  5. Step 5: Solve for x
    x = 11,052,560.63/3,613.75
  6. Step 6: Final answer
    x = 3,058.47

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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.