Home / 2,674.22-3,689.96-1,790.24

Finding the Fourth Proportional to 2,674.22, 3,689.96 and 1,790.24

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Solution

The fourth proportional to 2,674.22, 3,689.96 and 1,790.24 is: 2,470.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,674.22 : 3,689.96 = 1,790.24 : x
  2. Step 2: Convert to fraction form
    2,674.22/3,689.96 = 1,790.24/x
  3. Step 3: Cross multiply
    2,674.22x = 3,689.96 × 1,790.24
  4. Step 4: Simplify right side
    2,674.22x = 6,605,886.59
  5. Step 5: Solve for x
    x = 6,605,886.59/2,674.22
  6. Step 6: Final answer
    x = 2,470.22

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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.