Home / 3,613.95-4,987.36-2,042.14

Finding the Fourth Proportional to 3,613.95, 4,987.36 and 2,042.14

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Solution

The fourth proportional to 3,613.95, 4,987.36 and 2,042.14 is: 2,818.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.95 : 4,987.36 = 2,042.14 : x
  2. Step 2: Convert to fraction form
    3,613.95/4,987.36 = 2,042.14/x
  3. Step 3: Cross multiply
    3,613.95x = 4,987.36 × 2,042.14
  4. Step 4: Simplify right side
    3,613.95x = 10,184,887.35
  5. Step 5: Solve for x
    x = 10,184,887.35/3,613.95
  6. Step 6: Final answer
    x = 2,818.21

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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.