Home / 5,002.16-7,502.38-2,079.68

Finding the Fourth Proportional to 5,002.16, 7,502.38 and 2,079.68

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Solution

The fourth proportional to 5,002.16, 7,502.38 and 2,079.68 is: 3,119.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,002.16 : 7,502.38 = 2,079.68 : x
  2. Step 2: Convert to fraction form
    5,002.16/7,502.38 = 2,079.68/x
  3. Step 3: Cross multiply
    5,002.16x = 7,502.38 × 2,079.68
  4. Step 4: Simplify right side
    5,002.16x = 15,602,506.93
  5. Step 5: Solve for x
    x = 15,602,506.93/5,002.16
  6. Step 6: Final answer
    x = 3,119.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.