Home / 3,515.19-4,851.06-1,943.39

Finding the Fourth Proportional to 3,515.19, 4,851.06 and 1,943.39

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Solution

The fourth proportional to 3,515.19, 4,851.06 and 1,943.39 is: 2,681.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.19 : 4,851.06 = 1,943.39 : x
  2. Step 2: Convert to fraction form
    3,515.19/4,851.06 = 1,943.39/x
  3. Step 3: Cross multiply
    3,515.19x = 4,851.06 × 1,943.39
  4. Step 4: Simplify right side
    3,515.19x = 9,427,477.24
  5. Step 5: Solve for x
    x = 9,427,477.24/3,515.19
  6. Step 6: Final answer
    x = 2,681.93

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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.