Home / 2,824.29-3,896.51-1,582.29

Finding the Fourth Proportional to 2,824.29, 3,896.51 and 1,582.29

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Solution

The fourth proportional to 2,824.29, 3,896.51 and 1,582.29 is: 2,182.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,824.29 : 3,896.51 = 1,582.29 : x
  2. Step 2: Convert to fraction form
    2,824.29/3,896.51 = 1,582.29/x
  3. Step 3: Cross multiply
    2,824.29x = 3,896.51 × 1,582.29
  4. Step 4: Simplify right side
    2,824.29x = 6,165,400.90
  5. Step 5: Solve for x
    x = 6,165,400.90/2,824.29
  6. Step 6: Final answer
    x = 2,182.99

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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.