Home / 3,460.36-5,191.06-1,119.59

Finding the Fourth Proportional to 3,460.36, 5,191.06 and 1,119.59

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Solution

The fourth proportional to 3,460.36, 5,191.06 and 1,119.59 is: 1,679.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,460.36 : 5,191.06 = 1,119.59 : x
  2. Step 2: Convert to fraction form
    3,460.36/5,191.06 = 1,119.59/x
  3. Step 3: Cross multiply
    3,460.36x = 5,191.06 × 1,119.59
  4. Step 4: Simplify right side
    3,460.36x = 5,811,832.91
  5. Step 5: Solve for x
    x = 5,811,832.91/3,460.36
  6. Step 6: Final answer
    x = 1,679.55

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Double scale
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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.