Home / 7,376.90-10,177.83-4,190.04

Finding the Fourth Proportional to 7,376.90, 10,177.83 and 4,190.04

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Solution

The fourth proportional to 7,376.90, 10,177.83 and 4,190.04 is: 5,780.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,376.90 : 10,177.83 = 4,190.04 : x
  2. Step 2: Convert to fraction form
    7,376.90/10,177.83 = 4,190.04/x
  3. Step 3: Cross multiply
    7,376.90x = 10,177.83 × 4,190.04
  4. Step 4: Simplify right side
    7,376.90x = 42,645,514.81
  5. Step 5: Solve for x
    x = 42,645,514.81/7,376.90
  6. Step 6: Final answer
    x = 5,780.96

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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.