Home / 5,449.48-8,177.18-4,219.30

Finding the Fourth Proportional to 5,449.48, 8,177.18 and 4,219.30

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Solution

The fourth proportional to 5,449.48, 8,177.18 and 4,219.30 is: 6,331.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,449.48 : 8,177.18 = 4,219.30 : x
  2. Step 2: Convert to fraction form
    5,449.48/8,177.18 = 4,219.30/x
  3. Step 3: Cross multiply
    5,449.48x = 8,177.18 × 4,219.30
  4. Step 4: Simplify right side
    5,449.48x = 34,501,975.57
  5. Step 5: Solve for x
    x = 34,501,975.57/5,449.48
  6. Step 6: Final answer
    x = 6,331.24

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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.