Home / 5,723.60-8,585.43-1,720.46

Finding the Fourth Proportional to 5,723.60, 8,585.43 and 1,720.46

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Solution

The fourth proportional to 5,723.60, 8,585.43 and 1,720.46 is: 2,580.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,723.60 : 8,585.43 = 1,720.46 : x
  2. Step 2: Convert to fraction form
    5,723.60/8,585.43 = 1,720.46/x
  3. Step 3: Cross multiply
    5,723.60x = 8,585.43 × 1,720.46
  4. Step 4: Simplify right side
    5,723.60x = 14,770,888.90
  5. Step 5: Solve for x
    x = 14,770,888.90/5,723.60
  6. Step 6: Final answer
    x = 2,580.70

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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.