Home / 5,465.56-7,542.36-2,981.56

Finding the Fourth Proportional to 5,465.56, 7,542.36 and 2,981.56

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Solution

The fourth proportional to 5,465.56, 7,542.36 and 2,981.56 is: 4,114.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,465.56 : 7,542.36 = 2,981.56 : x
  2. Step 2: Convert to fraction form
    5,465.56/7,542.36 = 2,981.56/x
  3. Step 3: Cross multiply
    5,465.56x = 7,542.36 × 2,981.56
  4. Step 4: Simplify right side
    5,465.56x = 22,487,998.88
  5. Step 5: Solve for x
    x = 22,487,998.88/5,465.56
  6. Step 6: Final answer
    x = 4,114.49

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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.