Home / 5,723.18-8,580.72-2,210.21

Finding the Fourth Proportional to 5,723.18, 8,580.72 and 2,210.21

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Solution

The fourth proportional to 5,723.18, 8,580.72 and 2,210.21 is: 3,313.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,723.18 : 8,580.72 = 2,210.21 : x
  2. Step 2: Convert to fraction form
    5,723.18/8,580.72 = 2,210.21/x
  3. Step 3: Cross multiply
    5,723.18x = 8,580.72 × 2,210.21
  4. Step 4: Simplify right side
    5,723.18x = 18,965,193.15
  5. Step 5: Solve for x
    x = 18,965,193.15/5,723.18
  6. Step 6: Final answer
    x = 3,313.75

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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.