Home / 1,416.24-2,125.20-550.48

Finding the Fourth Proportional to 1,416.24, 2,125.20 and 550.48

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Solution

The fourth proportional to 1,416.24, 2,125.20 and 550.48 is: 826.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416.24 : 2,125.20 = 550.48 : x
  2. Step 2: Convert to fraction form
    1,416.24/2,125.20 = 550.48/x
  3. Step 3: Cross multiply
    1,416.24x = 2,125.20 × 550.48
  4. Step 4: Simplify right side
    1,416.24x = 1,169,880.10
  5. Step 5: Solve for x
    x = 1,169,880.10/1,416.24
  6. Step 6: Final answer
    x = 826.05

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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.