Home / 3,110.43-4,292.39-1,713.18

Finding the Fourth Proportional to 3,110.43, 4,292.39 and 1,713.18

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Solution

The fourth proportional to 3,110.43, 4,292.39 and 1,713.18 is: 2,364.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.43 : 4,292.39 = 1,713.18 : x
  2. Step 2: Convert to fraction form
    3,110.43/4,292.39 = 1,713.18/x
  3. Step 3: Cross multiply
    3,110.43x = 4,292.39 × 1,713.18
  4. Step 4: Simplify right side
    3,110.43x = 7,353,636.70
  5. Step 5: Solve for x
    x = 7,353,636.70/3,110.43
  6. Step 6: Final answer
    x = 2,364.19

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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.