Home / 5,178.03-7,765.36-2,057.10

Finding the Fourth Proportional to 5,178.03, 7,765.36 and 2,057.10

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Solution

The fourth proportional to 5,178.03, 7,765.36 and 2,057.10 is: 3,084.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,178.03 : 7,765.36 = 2,057.10 : x
  2. Step 2: Convert to fraction form
    5,178.03/7,765.36 = 2,057.10/x
  3. Step 3: Cross multiply
    5,178.03x = 7,765.36 × 2,057.10
  4. Step 4: Simplify right side
    5,178.03x = 15,974,122.06
  5. Step 5: Solve for x
    x = 15,974,122.06/5,178.03
  6. Step 6: Final answer
    x = 3,084.98

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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.