Home / 3,103.18-4,283.49-2,055.58

Finding the Fourth Proportional to 3,103.18, 4,283.49 and 2,055.58

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Solution

The fourth proportional to 3,103.18, 4,283.49 and 2,055.58 is: 2,837.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.18 : 4,283.49 = 2,055.58 : x
  2. Step 2: Convert to fraction form
    3,103.18/4,283.49 = 2,055.58/x
  3. Step 3: Cross multiply
    3,103.18x = 4,283.49 × 2,055.58
  4. Step 4: Simplify right side
    3,103.18x = 8,805,056.37
  5. Step 5: Solve for x
    x = 8,805,056.37/3,103.18
  6. Step 6: Final answer
    x = 2,837.43

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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.