Home / 4,079.34-6,119.25-1,157.88

Finding the Fourth Proportional to 4,079.34, 6,119.25 and 1,157.88

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Solution

The fourth proportional to 4,079.34, 6,119.25 and 1,157.88 is: 1,736.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.34 : 6,119.25 = 1,157.88 : x
  2. Step 2: Convert to fraction form
    4,079.34/6,119.25 = 1,157.88/x
  3. Step 3: Cross multiply
    4,079.34x = 6,119.25 × 1,157.88
  4. Step 4: Simplify right side
    4,079.34x = 7,085,357.19
  5. Step 5: Solve for x
    x = 7,085,357.19/4,079.34
  6. Step 6: Final answer
    x = 1,736.89

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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.