Home / 3,309.66-4,565.43-2,065.50

Finding the Fourth Proportional to 3,309.66, 4,565.43 and 2,065.50

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Solution

The fourth proportional to 3,309.66, 4,565.43 and 2,065.50 is: 2,849.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.66 : 4,565.43 = 2,065.50 : x
  2. Step 2: Convert to fraction form
    3,309.66/4,565.43 = 2,065.50/x
  3. Step 3: Cross multiply
    3,309.66x = 4,565.43 × 2,065.50
  4. Step 4: Simplify right side
    3,309.66x = 9,429,895.67
  5. Step 5: Solve for x
    x = 9,429,895.67/3,309.66
  6. Step 6: Final answer
    x = 2,849.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.