Home / 3,519.14-4,851.85-2,190.47

Finding the Fourth Proportional to 3,519.14, 4,851.85 and 2,190.47

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Solution

The fourth proportional to 3,519.14, 4,851.85 and 2,190.47 is: 3,020.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.14 : 4,851.85 = 2,190.47 : x
  2. Step 2: Convert to fraction form
    3,519.14/4,851.85 = 2,190.47/x
  3. Step 3: Cross multiply
    3,519.14x = 4,851.85 × 2,190.47
  4. Step 4: Simplify right side
    3,519.14x = 10,627,831.87
  5. Step 5: Solve for x
    x = 10,627,831.87/3,519.14
  6. Step 6: Final answer
    x = 3,020.01

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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.