Home / 2,816.02-4,233.14-2,613.12

Finding the Fourth Proportional to 2,816.02, 4,233.14 and 2,613.12

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Solution

The fourth proportional to 2,816.02, 4,233.14 and 2,613.12 is: 3,928.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816.02 : 4,233.14 = 2,613.12 : x
  2. Step 2: Convert to fraction form
    2,816.02/4,233.14 = 2,613.12/x
  3. Step 3: Cross multiply
    2,816.02x = 4,233.14 × 2,613.12
  4. Step 4: Simplify right side
    2,816.02x = 11,061,683.66
  5. Step 5: Solve for x
    x = 11,061,683.66/2,816.02
  6. Step 6: Final answer
    x = 3,928.13

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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.