Home / 5,335.22-8,002.63-1,439.73

Finding the Fourth Proportional to 5,335.22, 8,002.63 and 1,439.73

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Solution

The fourth proportional to 5,335.22, 8,002.63 and 1,439.73 is: 2,159.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,335.22 : 8,002.63 = 1,439.73 : x
  2. Step 2: Convert to fraction form
    5,335.22/8,002.63 = 1,439.73/x
  3. Step 3: Cross multiply
    5,335.22x = 8,002.63 × 1,439.73
  4. Step 4: Simplify right side
    5,335.22x = 11,521,628.29
  5. Step 5: Solve for x
    x = 11,521,628.29/5,335.22
  6. Step 6: Final answer
    x = 2,159.54

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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.