Home / 3,515.54-4,851.32-1,922.13

Finding the Fourth Proportional to 3,515.54, 4,851.32 and 1,922.13

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Solution

The fourth proportional to 3,515.54, 4,851.32 and 1,922.13 is: 2,652.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.54 : 4,851.32 = 1,922.13 : x
  2. Step 2: Convert to fraction form
    3,515.54/4,851.32 = 1,922.13/x
  3. Step 3: Cross multiply
    3,515.54x = 4,851.32 × 1,922.13
  4. Step 4: Simplify right side
    3,515.54x = 9,324,858.10
  5. Step 5: Solve for x
    x = 9,324,858.10/3,515.54
  6. Step 6: Final answer
    x = 2,652.47

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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.