Home / 6,079.28-9,117.62-1,919.62

Finding the Fourth Proportional to 6,079.28, 9,117.62 and 1,919.62

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Solution

The fourth proportional to 6,079.28, 9,117.62 and 1,919.62 is: 2,879.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,079.28 : 9,117.62 = 1,919.62 : x
  2. Step 2: Convert to fraction form
    6,079.28/9,117.62 = 1,919.62/x
  3. Step 3: Cross multiply
    6,079.28x = 9,117.62 × 1,919.62
  4. Step 4: Simplify right side
    6,079.28x = 17,502,333.31
  5. Step 5: Solve for x
    x = 17,502,333.31/6,079.28
  6. Step 6: Final answer
    x = 2,879.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.