Home / 7,192.98-9,925.92-4,049.28

Finding the Fourth Proportional to 7,192.98, 9,925.92 and 4,049.28

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Solution

The fourth proportional to 7,192.98, 9,925.92 and 4,049.28 is: 5,587.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192.98 : 9,925.92 = 4,049.28 : x
  2. Step 2: Convert to fraction form
    7,192.98/9,925.92 = 4,049.28/x
  3. Step 3: Cross multiply
    7,192.98x = 9,925.92 × 4,049.28
  4. Step 4: Simplify right side
    7,192.98x = 40,192,829.34
  5. Step 5: Solve for x
    x = 40,192,829.34/7,192.98
  6. Step 6: Final answer
    x = 5,587.79

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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.