Home / 5,349.25-8,023.66-1,400.45

Finding the Fourth Proportional to 5,349.25, 8,023.66 and 1,400.45

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Solution

The fourth proportional to 5,349.25, 8,023.66 and 1,400.45 is: 2,100.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,349.25 : 8,023.66 = 1,400.45 : x
  2. Step 2: Convert to fraction form
    5,349.25/8,023.66 = 1,400.45/x
  3. Step 3: Cross multiply
    5,349.25x = 8,023.66 × 1,400.45
  4. Step 4: Simplify right side
    5,349.25x = 11,236,691.03
  5. Step 5: Solve for x
    x = 11,236,691.03/5,349.25
  6. Step 6: Final answer
    x = 2,100.61

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1.5x scale

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.