Home / 5,497.22-8,239.92-2,378.72

Finding the Fourth Proportional to 5,497.22, 8,239.92 and 2,378.72

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Solution

The fourth proportional to 5,497.22, 8,239.92 and 2,378.72 is: 3,565.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,497.22 : 8,239.92 = 2,378.72 : x
  2. Step 2: Convert to fraction form
    5,497.22/8,239.92 = 2,378.72/x
  3. Step 3: Cross multiply
    5,497.22x = 8,239.92 × 2,378.72
  4. Step 4: Simplify right side
    5,497.22x = 19,600,462.50
  5. Step 5: Solve for x
    x = 19,600,462.50/5,497.22
  6. Step 6: Final answer
    x = 3,565.52

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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.