Home / 7,377.45-10,180.77-4,020.41

Finding the Fourth Proportional to 7,377.45, 10,180.77 and 4,020.41

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Solution

The fourth proportional to 7,377.45, 10,180.77 and 4,020.41 is: 5,548.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,377.45 : 10,180.77 = 4,020.41 : x
  2. Step 2: Convert to fraction form
    7,377.45/10,180.77 = 4,020.41/x
  3. Step 3: Cross multiply
    7,377.45x = 10,180.77 × 4,020.41
  4. Step 4: Simplify right side
    7,377.45x = 40,930,818.61
  5. Step 5: Solve for x
    x = 40,930,818.61/7,377.45
  6. Step 6: Final answer
    x = 5,548.10

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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.