Home / 7,376.96-10,180.38-4,189.74

Finding the Fourth Proportional to 7,376.96, 10,180.38 and 4,189.74

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Solution

The fourth proportional to 7,376.96, 10,180.38 and 4,189.74 is: 5,781.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,376.96 : 10,180.38 = 4,189.74 : x
  2. Step 2: Convert to fraction form
    7,376.96/10,180.38 = 4,189.74/x
  3. Step 3: Cross multiply
    7,376.96x = 10,180.38 × 4,189.74
  4. Step 4: Simplify right side
    7,376.96x = 42,653,180.10
  5. Step 5: Solve for x
    x = 42,653,180.10/7,376.96
  6. Step 6: Final answer
    x = 5,781.95

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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.