Home / 2,391.49-3,299.33-1,763.51

Finding the Fourth Proportional to 2,391.49, 3,299.33 and 1,763.51

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Solution

The fourth proportional to 2,391.49, 3,299.33 and 1,763.51 is: 2,432.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391.49 : 3,299.33 = 1,763.51 : x
  2. Step 2: Convert to fraction form
    2,391.49/3,299.33 = 1,763.51/x
  3. Step 3: Cross multiply
    2,391.49x = 3,299.33 × 1,763.51
  4. Step 4: Simplify right side
    2,391.49x = 5,818,376.13
  5. Step 5: Solve for x
    x = 5,818,376.13/2,391.49
  6. Step 6: Final answer
    x = 2,432.95

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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.