Home / 3,710.07-5,119.77-2,217.11

Finding the Fourth Proportional to 3,710.07, 5,119.77 and 2,217.11

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Solution

The fourth proportional to 3,710.07, 5,119.77 and 2,217.11 is: 3,059.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,710.07 : 5,119.77 = 2,217.11 : x
  2. Step 2: Convert to fraction form
    3,710.07/5,119.77 = 2,217.11/x
  3. Step 3: Cross multiply
    3,710.07x = 5,119.77 × 2,217.11
  4. Step 4: Simplify right side
    3,710.07x = 11,351,075.98
  5. Step 5: Solve for x
    x = 11,351,075.98/3,710.07
  6. Step 6: Final answer
    x = 3,059.53

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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.