Home / 3,492.72-5,236.88-1,643.04

Finding the Fourth Proportional to 3,492.72, 5,236.88 and 1,643.04

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Solution

The fourth proportional to 3,492.72, 5,236.88 and 1,643.04 is: 2,463.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,492.72 : 5,236.88 = 1,643.04 : x
  2. Step 2: Convert to fraction form
    3,492.72/5,236.88 = 1,643.04/x
  3. Step 3: Cross multiply
    3,492.72x = 5,236.88 × 1,643.04
  4. Step 4: Simplify right side
    3,492.72x = 8,604,403.32
  5. Step 5: Solve for x
    x = 8,604,403.32/3,492.72
  6. Step 6: Final answer
    x = 2,463.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.