Home / 3,255.48-4,492.08-1,838.79

Finding the Fourth Proportional to 3,255.48, 4,492.08 and 1,838.79

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Solution

The fourth proportional to 3,255.48, 4,492.08 and 1,838.79 is: 2,537.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.48 : 4,492.08 = 1,838.79 : x
  2. Step 2: Convert to fraction form
    3,255.48/4,492.08 = 1,838.79/x
  3. Step 3: Cross multiply
    3,255.48x = 4,492.08 × 1,838.79
  4. Step 4: Simplify right side
    3,255.48x = 8,259,991.78
  5. Step 5: Solve for x
    x = 8,259,991.78/3,255.48
  6. Step 6: Final answer
    x = 2,537.26

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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.