Home / 5,067.36-7,603.20-1,782.72

Finding the Fourth Proportional to 5,067.36, 7,603.20 and 1,782.72

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Solution

The fourth proportional to 5,067.36, 7,603.20 and 1,782.72 is: 2,674.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,067.36 : 7,603.20 = 1,782.72 : x
  2. Step 2: Convert to fraction form
    5,067.36/7,603.20 = 1,782.72/x
  3. Step 3: Cross multiply
    5,067.36x = 7,603.20 × 1,782.72
  4. Step 4: Simplify right side
    5,067.36x = 13,554,376.70
  5. Step 5: Solve for x
    x = 13,554,376.70/5,067.36
  6. Step 6: Final answer
    x = 2,674.84

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1.5x scale

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.