Home / 3,310.92-4,569.80-2,290.31

Finding the Fourth Proportional to 3,310.92, 4,569.80 and 2,290.31

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Solution

The fourth proportional to 3,310.92, 4,569.80 and 2,290.31 is: 3,161.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.92 : 4,569.80 = 2,290.31 : x
  2. Step 2: Convert to fraction form
    3,310.92/4,569.80 = 2,290.31/x
  3. Step 3: Cross multiply
    3,310.92x = 4,569.80 × 2,290.31
  4. Step 4: Simplify right side
    3,310.92x = 10,466,254.36
  5. Step 5: Solve for x
    x = 10,466,254.36/3,310.92
  6. Step 6: Final answer
    x = 3,161.13

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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.