Home / 4,120.74-5,686.63-2,232.33

Finding the Fourth Proportional to 4,120.74, 5,686.63 and 2,232.33

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Solution

The fourth proportional to 4,120.74, 5,686.63 and 2,232.33 is: 3,080.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.74 : 5,686.63 = 2,232.33 : x
  2. Step 2: Convert to fraction form
    4,120.74/5,686.63 = 2,232.33/x
  3. Step 3: Cross multiply
    4,120.74x = 5,686.63 × 2,232.33
  4. Step 4: Simplify right side
    4,120.74x = 12,694,434.75
  5. Step 5: Solve for x
    x = 12,694,434.75/4,120.74
  6. Step 6: Final answer
    x = 3,080.62

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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.