Home / 4,085.66-5,638.52-2,492.17

Finding the Fourth Proportional to 4,085.66, 5,638.52 and 2,492.17

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Solution

The fourth proportional to 4,085.66, 5,638.52 and 2,492.17 is: 3,439.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085.66 : 5,638.52 = 2,492.17 : x
  2. Step 2: Convert to fraction form
    4,085.66/5,638.52 = 2,492.17/x
  3. Step 3: Cross multiply
    4,085.66x = 5,638.52 × 2,492.17
  4. Step 4: Simplify right side
    4,085.66x = 14,052,142.52
  5. Step 5: Solve for x
    x = 14,052,142.52/4,085.66
  6. Step 6: Final answer
    x = 3,439.38

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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.