Home / 2,323.29-3,206.36-1,328.38

Finding the Fourth Proportional to 2,323.29, 3,206.36 and 1,328.38

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Solution

The fourth proportional to 2,323.29, 3,206.36 and 1,328.38 is: 1,833.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,323.29 : 3,206.36 = 1,328.38 : x
  2. Step 2: Convert to fraction form
    2,323.29/3,206.36 = 1,328.38/x
  3. Step 3: Cross multiply
    2,323.29x = 3,206.36 × 1,328.38
  4. Step 4: Simplify right side
    2,323.29x = 4,259,259.80
  5. Step 5: Solve for x
    x = 4,259,259.80/2,323.29
  6. Step 6: Final answer
    x = 1,833.29

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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.