Home / 5,057.18-7,589.19-1,770.30

Finding the Fourth Proportional to 5,057.18, 7,589.19 and 1,770.30

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Solution

The fourth proportional to 5,057.18, 7,589.19 and 1,770.30 is: 2,656.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,057.18 : 7,589.19 = 1,770.30 : x
  2. Step 2: Convert to fraction form
    5,057.18/7,589.19 = 1,770.30/x
  3. Step 3: Cross multiply
    5,057.18x = 7,589.19 × 1,770.30
  4. Step 4: Simplify right side
    5,057.18x = 13,435,113.41
  5. Step 5: Solve for x
    x = 13,435,113.41/5,057.18
  6. Step 6: Final answer
    x = 2,656.64

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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.