Home / 3,255.29-4,492.99-2,122.37

Finding the Fourth Proportional to 3,255.29, 4,492.99 and 2,122.37

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Solution

The fourth proportional to 3,255.29, 4,492.99 and 2,122.37 is: 2,929.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.29 : 4,492.99 = 2,122.37 : x
  2. Step 2: Convert to fraction form
    3,255.29/4,492.99 = 2,122.37/x
  3. Step 3: Cross multiply
    3,255.29x = 4,492.99 × 2,122.37
  4. Step 4: Simplify right side
    3,255.29x = 9,535,787.19
  5. Step 5: Solve for x
    x = 9,535,787.19/3,255.29
  6. Step 6: Final answer
    x = 2,929.32

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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.