Home / 7,377.16-10,180.22-4,146.88

Finding the Fourth Proportional to 7,377.16, 10,180.22 and 4,146.88

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Solution

The fourth proportional to 7,377.16, 10,180.22 and 4,146.88 is: 5,722.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,377.16 : 10,180.22 = 4,146.88 : x
  2. Step 2: Convert to fraction form
    7,377.16/10,180.22 = 4,146.88/x
  3. Step 3: Cross multiply
    7,377.16x = 10,180.22 × 4,146.88
  4. Step 4: Simplify right side
    7,377.16x = 42,216,161.08
  5. Step 5: Solve for x
    x = 42,216,161.08/7,377.16
  6. Step 6: Final answer
    x = 5,722.55

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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.