Home / 3,907.33-5,392.24-2,228.74

Finding the Fourth Proportional to 3,907.33, 5,392.24 and 2,228.74

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Solution

The fourth proportional to 3,907.33, 5,392.24 and 2,228.74 is: 3,075.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907.33 : 5,392.24 = 2,228.74 : x
  2. Step 2: Convert to fraction form
    3,907.33/5,392.24 = 2,228.74/x
  3. Step 3: Cross multiply
    3,907.33x = 5,392.24 × 2,228.74
  4. Step 4: Simplify right side
    3,907.33x = 12,017,881.93
  5. Step 5: Solve for x
    x = 12,017,881.93/3,907.33
  6. Step 6: Final answer
    x = 3,075.73

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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.