Home / 7,377.55-10,181.13-4,020.52

Finding the Fourth Proportional to 7,377.55, 10,181.13 and 4,020.52

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Solution

The fourth proportional to 7,377.55, 10,181.13 and 4,020.52 is: 5,548.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,377.55 : 10,181.13 = 4,020.52 : x
  2. Step 2: Convert to fraction form
    7,377.55/10,181.13 = 4,020.52/x
  3. Step 3: Cross multiply
    7,377.55x = 10,181.13 × 4,020.52
  4. Step 4: Simplify right side
    7,377.55x = 40,933,436.79
  5. Step 5: Solve for x
    x = 40,933,436.79/7,377.55
  6. Step 6: Final answer
    x = 5,548.38

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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.