Home / 6,581.96-9,872.94-2,140.52

Finding the Fourth Proportional to 6,581.96, 9,872.94 and 2,140.52

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Solution

The fourth proportional to 6,581.96, 9,872.94 and 2,140.52 is: 3,210.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,581.96 : 9,872.94 = 2,140.52 : x
  2. Step 2: Convert to fraction form
    6,581.96/9,872.94 = 2,140.52/x
  3. Step 3: Cross multiply
    6,581.96x = 9,872.94 × 2,140.52
  4. Step 4: Simplify right side
    6,581.96x = 21,133,225.53
  5. Step 5: Solve for x
    x = 21,133,225.53/6,581.96
  6. Step 6: Final answer
    x = 3,210.78

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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.