Home / 5,636.20-7,778.46-3,246.52

Finding the Fourth Proportional to 5,636.20, 7,778.46 and 3,246.52

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Solution

The fourth proportional to 5,636.20, 7,778.46 and 3,246.52 is: 4,480.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,636.20 : 7,778.46 = 3,246.52 : x
  2. Step 2: Convert to fraction form
    5,636.20/7,778.46 = 3,246.52/x
  3. Step 3: Cross multiply
    5,636.20x = 7,778.46 × 3,246.52
  4. Step 4: Simplify right side
    5,636.20x = 25,252,925.96
  5. Step 5: Solve for x
    x = 25,252,925.96/5,636.20
  6. Step 6: Final answer
    x = 4,480.49

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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.