Home / 5,245.30-7,235.31-4,124.44

Finding the Fourth Proportional to 5,245.30, 7,235.31 and 4,124.44

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Solution

The fourth proportional to 5,245.30, 7,235.31 and 4,124.44 is: 5,689.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,245.30 : 7,235.31 = 4,124.44 : x
  2. Step 2: Convert to fraction form
    5,245.30/7,235.31 = 4,124.44/x
  3. Step 3: Cross multiply
    5,245.30x = 7,235.31 × 4,124.44
  4. Step 4: Simplify right side
    5,245.30x = 29,841,601.98
  5. Step 5: Solve for x
    x = 29,841,601.98/5,245.30
  6. Step 6: Final answer
    x = 5,689.21

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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.