Home / 3,492.22-5,239.70-1,543.06

Finding the Fourth Proportional to 3,492.22, 5,239.70 and 1,543.06

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Solution

The fourth proportional to 3,492.22, 5,239.70 and 1,543.06 is: 2,315.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,492.22 : 5,239.70 = 1,543.06 : x
  2. Step 2: Convert to fraction form
    3,492.22/5,239.70 = 1,543.06/x
  3. Step 3: Cross multiply
    3,492.22x = 5,239.70 × 1,543.06
  4. Step 4: Simplify right side
    3,492.22x = 8,085,171.48
  5. Step 5: Solve for x
    x = 8,085,171.48/3,492.22
  6. Step 6: Final answer
    x = 2,315.20

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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.