Home / 2,973.54-4,108.59-2,868.42

Finding the Fourth Proportional to 2,973.54, 4,108.59 and 2,868.42

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Solution

The fourth proportional to 2,973.54, 4,108.59 and 2,868.42 is: 3,963.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,973.54 : 4,108.59 = 2,868.42 : x
  2. Step 2: Convert to fraction form
    2,973.54/4,108.59 = 2,868.42/x
  3. Step 3: Cross multiply
    2,973.54x = 4,108.59 × 2,868.42
  4. Step 4: Simplify right side
    2,973.54x = 11,785,161.73
  5. Step 5: Solve for x
    x = 11,785,161.73/2,973.54
  6. Step 6: Final answer
    x = 3,963.34

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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.