Home / 5,509.68-7,603.24-2,991.73

Finding the Fourth Proportional to 5,509.68, 7,603.24 and 2,991.73

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Solution

The fourth proportional to 5,509.68, 7,603.24 and 2,991.73 is: 4,128.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.68 : 7,603.24 = 2,991.73 : x
  2. Step 2: Convert to fraction form
    5,509.68/7,603.24 = 2,991.73/x
  3. Step 3: Cross multiply
    5,509.68x = 7,603.24 × 2,991.73
  4. Step 4: Simplify right side
    5,509.68x = 22,746,788.23
  5. Step 5: Solve for x
    x = 22,746,788.23/5,509.68
  6. Step 6: Final answer
    x = 4,128.52

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1.5x scale

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.