Home / 4,080.39-5,630.92-2,312.33

Finding the Fourth Proportional to 4,080.39, 5,630.92 and 2,312.33

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Solution

The fourth proportional to 4,080.39, 5,630.92 and 2,312.33 is: 3,191.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.39 : 5,630.92 = 2,312.33 : x
  2. Step 2: Convert to fraction form
    4,080.39/5,630.92 = 2,312.33/x
  3. Step 3: Cross multiply
    4,080.39x = 5,630.92 × 2,312.33
  4. Step 4: Simplify right side
    4,080.39x = 13,020,545.24
  5. Step 5: Solve for x
    x = 13,020,545.24/4,080.39
  6. Step 6: Final answer
    x = 3,191.01

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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.