Home / 5,112.53-7,055.87-2,844.09

Finding the Fourth Proportional to 5,112.53, 7,055.87 and 2,844.09

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Solution

The fourth proportional to 5,112.53, 7,055.87 and 2,844.09 is: 3,925.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112.53 : 7,055.87 = 2,844.09 : x
  2. Step 2: Convert to fraction form
    5,112.53/7,055.87 = 2,844.09/x
  3. Step 3: Cross multiply
    5,112.53x = 7,055.87 × 2,844.09
  4. Step 4: Simplify right side
    5,112.53x = 20,067,515.09
  5. Step 5: Solve for x
    x = 20,067,515.09/5,112.53
  6. Step 6: Final answer
    x = 3,925.17

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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.