Home / 3,255.31-4,492.29-1,763.19

Finding the Fourth Proportional to 3,255.31, 4,492.29 and 1,763.19

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Solution

The fourth proportional to 3,255.31, 4,492.29 and 1,763.19 is: 2,433.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.31 : 4,492.29 = 1,763.19 : x
  2. Step 2: Convert to fraction form
    3,255.31/4,492.29 = 1,763.19/x
  3. Step 3: Cross multiply
    3,255.31x = 4,492.29 × 1,763.19
  4. Step 4: Simplify right side
    3,255.31x = 7,920,760.81
  5. Step 5: Solve for x
    x = 7,920,760.81/3,255.31
  6. Step 6: Final answer
    x = 2,433.18

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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.