Home / 5,155.50-7,116.36-3,475.83

Finding the Fourth Proportional to 5,155.50, 7,116.36 and 3,475.83

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Solution

The fourth proportional to 5,155.50, 7,116.36 and 3,475.83 is: 4,797.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,155.50 : 7,116.36 = 3,475.83 : x
  2. Step 2: Convert to fraction form
    5,155.50/7,116.36 = 3,475.83/x
  3. Step 3: Cross multiply
    5,155.50x = 7,116.36 × 3,475.83
  4. Step 4: Simplify right side
    5,155.50x = 24,735,257.58
  5. Step 5: Solve for x
    x = 24,735,257.58/5,155.50
  6. Step 6: Final answer
    x = 4,797.84

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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.