Home / 5,084.28-7,589.79-4,428

Finding the Fourth Proportional to 5,084.28, 7,589.79 and 4,428

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Solution

The fourth proportional to 5,084.28, 7,589.79 and 4,428 is: 6,610.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,084.28 : 7,589.79 = 4,428 : x
  2. Step 2: Convert to fraction form
    5,084.28/7,589.79 = 4,428/x
  3. Step 3: Cross multiply
    5,084.28x = 7,589.79 × 4,428
  4. Step 4: Simplify right side
    5,084.28x = 33,607,590.12
  5. Step 5: Solve for x
    x = 33,607,590.12/5,084.28
  6. Step 6: Final answer
    x = 6,610.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.