Home / 5,067.06-6,991.02-2,970.78

Finding the Fourth Proportional to 5,067.06, 6,991.02 and 2,970.78

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Solution

The fourth proportional to 5,067.06, 6,991.02 and 2,970.78 is: 4,098.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,067.06 : 6,991.02 = 2,970.78 : x
  2. Step 2: Convert to fraction form
    5,067.06/6,991.02 = 2,970.78/x
  3. Step 3: Cross multiply
    5,067.06x = 6,991.02 × 2,970.78
  4. Step 4: Simplify right side
    5,067.06x = 20,768,782.40
  5. Step 5: Solve for x
    x = 20,768,782.40/5,067.06
  6. Step 6: Final answer
    x = 4,098.78

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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.