Home / 3,614.16-4,987.62-1,999.11

Finding the Fourth Proportional to 3,614.16, 4,987.62 and 1,999.11

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Solution

The fourth proportional to 3,614.16, 4,987.62 and 1,999.11 is: 2,758.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.16 : 4,987.62 = 1,999.11 : x
  2. Step 2: Convert to fraction form
    3,614.16/4,987.62 = 1,999.11/x
  3. Step 3: Cross multiply
    3,614.16x = 4,987.62 × 1,999.11
  4. Step 4: Simplify right side
    3,614.16x = 9,970,801.02
  5. Step 5: Solve for x
    x = 9,970,801.02/3,614.16
  6. Step 6: Final answer
    x = 2,758.82

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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.