Home / 4,975.08-6,868.38-2,986.14

Finding the Fourth Proportional to 4,975.08, 6,868.38 and 2,986.14

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Solution

The fourth proportional to 4,975.08, 6,868.38 and 2,986.14 is: 4,122.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,975.08 : 6,868.38 = 2,986.14 : x
  2. Step 2: Convert to fraction form
    4,975.08/6,868.38 = 2,986.14/x
  3. Step 3: Cross multiply
    4,975.08x = 6,868.38 × 2,986.14
  4. Step 4: Simplify right side
    4,975.08x = 20,509,944.25
  5. Step 5: Solve for x
    x = 20,509,944.25/4,975.08
  6. Step 6: Final answer
    x = 4,122.54

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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.