Home / 3,613.12-4,986.08-2,041.52

Finding the Fourth Proportional to 3,613.12, 4,986.08 and 2,041.52

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Solution

The fourth proportional to 3,613.12, 4,986.08 and 2,041.52 is: 2,817.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.12 : 4,986.08 = 2,041.52 : x
  2. Step 2: Convert to fraction form
    3,613.12/4,986.08 = 2,041.52/x
  3. Step 3: Cross multiply
    3,613.12x = 4,986.08 × 2,041.52
  4. Step 4: Simplify right side
    3,613.12x = 10,179,182.04
  5. Step 5: Solve for x
    x = 10,179,182.04/3,613.12
  6. Step 6: Final answer
    x = 2,817.28

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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.