Home / 5,055.14-6,975.79-2,817.11

Finding the Fourth Proportional to 5,055.14, 6,975.79 and 2,817.11

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Solution

The fourth proportional to 5,055.14, 6,975.79 and 2,817.11 is: 3,887.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055.14 : 6,975.79 = 2,817.11 : x
  2. Step 2: Convert to fraction form
    5,055.14/6,975.79 = 2,817.11/x
  3. Step 3: Cross multiply
    5,055.14x = 6,975.79 × 2,817.11
  4. Step 4: Simplify right side
    5,055.14x = 19,651,578.16
  5. Step 5: Solve for x
    x = 19,651,578.16/5,055.14
  6. Step 6: Final answer
    x = 3,887.44

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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.