Home / 5,705.93-8,560.11-2,420.57

Finding the Fourth Proportional to 5,705.93, 8,560.11 and 2,420.57

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Solution

The fourth proportional to 5,705.93, 8,560.11 and 2,420.57 is: 3,631.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,705.93 : 8,560.11 = 2,420.57 : x
  2. Step 2: Convert to fraction form
    5,705.93/8,560.11 = 2,420.57/x
  3. Step 3: Cross multiply
    5,705.93x = 8,560.11 × 2,420.57
  4. Step 4: Simplify right side
    5,705.93x = 20,720,302.66
  5. Step 5: Solve for x
    x = 20,720,302.66/5,705.93
  6. Step 6: Final answer
    x = 3,631.37

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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.