Home / 3,022.70-4,536.56-1,543.02

Finding the Fourth Proportional to 3,022.70, 4,536.56 and 1,543.02

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Solution

The fourth proportional to 3,022.70, 4,536.56 and 1,543.02 is: 2,315.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022.70 : 4,536.56 = 1,543.02 : x
  2. Step 2: Convert to fraction form
    3,022.70/4,536.56 = 1,543.02/x
  3. Step 3: Cross multiply
    3,022.70x = 4,536.56 × 1,543.02
  4. Step 4: Simplify right side
    3,022.70x = 6,999,993.23
  5. Step 5: Solve for x
    x = 6,999,993.23/3,022.70
  6. Step 6: Final answer
    x = 2,315.80

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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.