Home / 3,281.16-4,527.88-1,789.05

Finding the Fourth Proportional to 3,281.16, 4,527.88 and 1,789.05

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Solution

The fourth proportional to 3,281.16, 4,527.88 and 1,789.05 is: 2,468.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.16 : 4,527.88 = 1,789.05 : x
  2. Step 2: Convert to fraction form
    3,281.16/4,527.88 = 1,789.05/x
  3. Step 3: Cross multiply
    3,281.16x = 4,527.88 × 1,789.05
  4. Step 4: Simplify right side
    3,281.16x = 8,100,603.71
  5. Step 5: Solve for x
    x = 8,100,603.71/3,281.16
  6. Step 6: Final answer
    x = 2,468.82

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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.