Home / 3,464.92-4,781.56-1,973.12

Finding the Fourth Proportional to 3,464.92, 4,781.56 and 1,973.12

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Solution

The fourth proportional to 3,464.92, 4,781.56 and 1,973.12 is: 2,722.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,464.92 : 4,781.56 = 1,973.12 : x
  2. Step 2: Convert to fraction form
    3,464.92/4,781.56 = 1,973.12/x
  3. Step 3: Cross multiply
    3,464.92x = 4,781.56 × 1,973.12
  4. Step 4: Simplify right side
    3,464.92x = 9,434,591.67
  5. Step 5: Solve for x
    x = 9,434,591.67/3,464.92
  6. Step 6: Final answer
    x = 2,722.89

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1.5x scale

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.