Home / 3,102.63-4,281.83-1,924.48

Finding the Fourth Proportional to 3,102.63, 4,281.83 and 1,924.48

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Solution

The fourth proportional to 3,102.63, 4,281.83 and 1,924.48 is: 2,655.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102.63 : 4,281.83 = 1,924.48 : x
  2. Step 2: Convert to fraction form
    3,102.63/4,281.83 = 1,924.48/x
  3. Step 3: Cross multiply
    3,102.63x = 4,281.83 × 1,924.48
  4. Step 4: Simplify right side
    3,102.63x = 8,240,286.58
  5. Step 5: Solve for x
    x = 8,240,286.58/3,102.63
  6. Step 6: Final answer
    x = 2,655.91

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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.