Home / 3,401.22-4,689.99-2,955.18

Finding the Fourth Proportional to 3,401.22, 4,689.99 and 2,955.18

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Solution

The fourth proportional to 3,401.22, 4,689.99 and 2,955.18 is: 4,074.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401.22 : 4,689.99 = 2,955.18 : x
  2. Step 2: Convert to fraction form
    3,401.22/4,689.99 = 2,955.18/x
  3. Step 3: Cross multiply
    3,401.22x = 4,689.99 × 2,955.18
  4. Step 4: Simplify right side
    3,401.22x = 13,859,764.65
  5. Step 5: Solve for x
    x = 13,859,764.65/3,401.22
  6. Step 6: Final answer
    x = 4,074.94

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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.