Home / 5,770.20-8,655.40-1,610.12

Finding the Fourth Proportional to 5,770.20, 8,655.40 and 1,610.12

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Solution

The fourth proportional to 5,770.20, 8,655.40 and 1,610.12 is: 2,415.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,770.20 : 8,655.40 = 1,610.12 : x
  2. Step 2: Convert to fraction form
    5,770.20/8,655.40 = 1,610.12/x
  3. Step 3: Cross multiply
    5,770.20x = 8,655.40 × 1,610.12
  4. Step 4: Simplify right side
    5,770.20x = 13,936,232.65
  5. Step 5: Solve for x
    x = 13,936,232.65/5,770.20
  6. Step 6: Final answer
    x = 2,415.21

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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.