Home / 7,822.54-11,725.28-2,888.02

Finding the Fourth Proportional to 7,822.54, 11,725.28 and 2,888.02

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Solution

The fourth proportional to 7,822.54, 11,725.28 and 2,888.02 is: 4,328.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,822.54 : 11,725.28 = 2,888.02 : x
  2. Step 2: Convert to fraction form
    7,822.54/11,725.28 = 2,888.02/x
  3. Step 3: Cross multiply
    7,822.54x = 11,725.28 × 2,888.02
  4. Step 4: Simplify right side
    7,822.54x = 33,862,843.15
  5. Step 5: Solve for x
    x = 33,862,843.15/7,822.54
  6. Step 6: Final answer
    x = 4,328.88

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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.