Home / 3,113.48-4,292.06-2,449.18

Finding the Fourth Proportional to 3,113.48, 4,292.06 and 2,449.18

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Solution

The fourth proportional to 3,113.48, 4,292.06 and 2,449.18 is: 3,376.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.48 : 4,292.06 = 2,449.18 : x
  2. Step 2: Convert to fraction form
    3,113.48/4,292.06 = 2,449.18/x
  3. Step 3: Cross multiply
    3,113.48x = 4,292.06 × 2,449.18
  4. Step 4: Simplify right side
    3,113.48x = 10,512,020.63
  5. Step 5: Solve for x
    x = 10,512,020.63/3,113.48
  6. Step 6: Final answer
    x = 3,376.29

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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.