Home / 1,035.24-1,553.10-548.18

Finding the Fourth Proportional to 1,035.24, 1,553.10 and 548.18

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Solution

The fourth proportional to 1,035.24, 1,553.10 and 548.18 is: 822.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035.24 : 1,553.10 = 548.18 : x
  2. Step 2: Convert to fraction form
    1,035.24/1,553.10 = 548.18/x
  3. Step 3: Cross multiply
    1,035.24x = 1,553.10 × 548.18
  4. Step 4: Simplify right side
    1,035.24x = 851,378.36
  5. Step 5: Solve for x
    x = 851,378.36/1,035.24
  6. Step 6: Final answer
    x = 822.40

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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.