Home / 1,451.24-2,174.40-584.54

Finding the Fourth Proportional to 1,451.24, 2,174.40 and 584.54

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Solution

The fourth proportional to 1,451.24, 2,174.40 and 584.54 is: 875.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451.24 : 2,174.40 = 584.54 : x
  2. Step 2: Convert to fraction form
    1,451.24/2,174.40 = 584.54/x
  3. Step 3: Cross multiply
    1,451.24x = 2,174.40 × 584.54
  4. Step 4: Simplify right side
    1,451.24x = 1,271,023.78
  5. Step 5: Solve for x
    x = 1,271,023.78/1,451.24
  6. Step 6: Final answer
    x = 875.82

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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.