Home / 5,140.06-7,093.26-2,782.16

Finding the Fourth Proportional to 5,140.06, 7,093.26 and 2,782.16

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Solution

The fourth proportional to 5,140.06, 7,093.26 and 2,782.16 is: 3,839.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.06 : 7,093.26 = 2,782.16 : x
  2. Step 2: Convert to fraction form
    5,140.06/7,093.26 = 2,782.16/x
  3. Step 3: Cross multiply
    5,140.06x = 7,093.26 × 2,782.16
  4. Step 4: Simplify right side
    5,140.06x = 19,734,584.24
  5. Step 5: Solve for x
    x = 19,734,584.24/5,140.06
  6. Step 6: Final answer
    x = 3,839.37

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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.