Home / 5,405.20-7,458.24-3,047.44

Finding the Fourth Proportional to 5,405.20, 7,458.24 and 3,047.44

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Solution

The fourth proportional to 5,405.20, 7,458.24 and 3,047.44 is: 4,204.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405.20 : 7,458.24 = 3,047.44 : x
  2. Step 2: Convert to fraction form
    5,405.20/7,458.24 = 3,047.44/x
  3. Step 3: Cross multiply
    5,405.20x = 7,458.24 × 3,047.44
  4. Step 4: Simplify right side
    5,405.20x = 22,728,538.91
  5. Step 5: Solve for x
    x = 22,728,538.91/5,405.20
  6. Step 6: Final answer
    x = 4,204.94

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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.