Home / 3,515.47-4,851.19-1,922.07

Finding the Fourth Proportional to 3,515.47, 4,851.19 and 1,922.07

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Solution

The fourth proportional to 3,515.47, 4,851.19 and 1,922.07 is: 2,652.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.47 : 4,851.19 = 1,922.07 : x
  2. Step 2: Convert to fraction form
    3,515.47/4,851.19 = 1,922.07/x
  3. Step 3: Cross multiply
    3,515.47x = 4,851.19 × 1,922.07
  4. Step 4: Simplify right side
    3,515.47x = 9,324,347.36
  5. Step 5: Solve for x
    x = 9,324,347.36/3,515.47
  6. Step 6: Final answer
    x = 2,652.38

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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.