Home / 3,255.50-4,492.57-1,763.45

Finding the Fourth Proportional to 3,255.50, 4,492.57 and 1,763.45

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Solution

The fourth proportional to 3,255.50, 4,492.57 and 1,763.45 is: 2,433.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.50 : 4,492.57 = 1,763.45 : x
  2. Step 2: Convert to fraction form
    3,255.50/4,492.57 = 1,763.45/x
  3. Step 3: Cross multiply
    3,255.50x = 4,492.57 × 1,763.45
  4. Step 4: Simplify right side
    3,255.50x = 7,922,416.97
  5. Step 5: Solve for x
    x = 7,922,416.97/3,255.50
  6. Step 6: Final answer
    x = 2,433.55

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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.