Home / 5,712.16-8,569.02-1,816.60

Finding the Fourth Proportional to 5,712.16, 8,569.02 and 1,816.60

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Solution

The fourth proportional to 5,712.16, 8,569.02 and 1,816.60 is: 2,725.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.16 : 8,569.02 = 1,816.60 : x
  2. Step 2: Convert to fraction form
    5,712.16/8,569.02 = 1,816.60/x
  3. Step 3: Cross multiply
    5,712.16x = 8,569.02 × 1,816.60
  4. Step 4: Simplify right side
    5,712.16x = 15,566,481.73
  5. Step 5: Solve for x
    x = 15,566,481.73/5,712.16
  6. Step 6: Final answer
    x = 2,725.15

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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.