Home / 3,023.04-4,171.86-1,781.04

Finding the Fourth Proportional to 3,023.04, 4,171.86 and 1,781.04

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Solution

The fourth proportional to 3,023.04, 4,171.86 and 1,781.04 is: 2,457.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,023.04 : 4,171.86 = 1,781.04 : x
  2. Step 2: Convert to fraction form
    3,023.04/4,171.86 = 1,781.04/x
  3. Step 3: Cross multiply
    3,023.04x = 4,171.86 × 1,781.04
  4. Step 4: Simplify right side
    3,023.04x = 7,430,249.53
  5. Step 5: Solve for x
    x = 7,430,249.53/3,023.04
  6. Step 6: Final answer
    x = 2,457.87

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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.