Home / 4,081.03-5,631.36-2,312.26

Finding the Fourth Proportional to 4,081.03, 5,631.36 and 2,312.26

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Solution

The fourth proportional to 4,081.03, 5,631.36 and 2,312.26 is: 3,190.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.03 : 5,631.36 = 2,312.26 : x
  2. Step 2: Convert to fraction form
    4,081.03/5,631.36 = 2,312.26/x
  3. Step 3: Cross multiply
    4,081.03x = 5,631.36 × 2,312.26
  4. Step 4: Simplify right side
    4,081.03x = 13,021,168.47
  5. Step 5: Solve for x
    x = 13,021,168.47/4,081.03
  6. Step 6: Final answer
    x = 3,190.66

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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.