Home / 5,412.87-7,469.69-3,055.77

Finding the Fourth Proportional to 5,412.87, 7,469.69 and 3,055.77

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Solution

The fourth proportional to 5,412.87, 7,469.69 and 3,055.77 is: 4,216.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.87 : 7,469.69 = 3,055.77 : x
  2. Step 2: Convert to fraction form
    5,412.87/7,469.69 = 3,055.77/x
  3. Step 3: Cross multiply
    5,412.87x = 7,469.69 × 3,055.77
  4. Step 4: Simplify right side
    5,412.87x = 22,825,639.33
  5. Step 5: Solve for x
    x = 22,825,639.33/5,412.87
  6. Step 6: Final answer
    x = 4,216.92

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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.