Home / 4,080.22-5,630.65-2,312.17

Finding the Fourth Proportional to 4,080.22, 5,630.65 and 2,312.17

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Solution

The fourth proportional to 4,080.22, 5,630.65 and 2,312.17 is: 3,190.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.22 : 5,630.65 = 2,312.17 : x
  2. Step 2: Convert to fraction form
    4,080.22/5,630.65 = 2,312.17/x
  3. Step 3: Cross multiply
    4,080.22x = 5,630.65 × 2,312.17
  4. Step 4: Simplify right side
    4,080.22x = 13,019,020.01
  5. Step 5: Solve for x
    x = 13,019,020.01/4,080.22
  6. Step 6: Final answer
    x = 3,190.76

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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.