Home / 7,376.07-10,179.09-4,189.14

Finding the Fourth Proportional to 7,376.07, 10,179.09 and 4,189.14

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Solution

The fourth proportional to 7,376.07, 10,179.09 and 4,189.14 is: 5,781.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,376.07 : 10,179.09 = 4,189.14 : x
  2. Step 2: Convert to fraction form
    7,376.07/10,179.09 = 4,189.14/x
  3. Step 3: Cross multiply
    7,376.07x = 10,179.09 × 4,189.14
  4. Step 4: Simplify right side
    7,376.07x = 42,641,633.08
  5. Step 5: Solve for x
    x = 42,641,633.08/7,376.07
  6. Step 6: Final answer
    x = 5,781.08

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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.