Home / 7,377.17-10,180.74-4,190.43

Finding the Fourth Proportional to 7,377.17, 10,180.74 and 4,190.43

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Solution

The fourth proportional to 7,377.17, 10,180.74 and 4,190.43 is: 5,782.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,377.17 : 10,180.74 = 4,190.43 : x
  2. Step 2: Convert to fraction form
    7,377.17/10,180.74 = 4,190.43/x
  3. Step 3: Cross multiply
    7,377.17x = 10,180.74 × 4,190.43
  4. Step 4: Simplify right side
    7,377.17x = 42,661,642.39
  5. Step 5: Solve for x
    x = 42,661,642.39/7,377.17
  6. Step 6: Final answer
    x = 5,782.93

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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.