Home / 3,302.12-4,556.82-1,905.08

Finding the Fourth Proportional to 3,302.12, 4,556.82 and 1,905.08

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Solution

The fourth proportional to 3,302.12, 4,556.82 and 1,905.08 is: 2,628.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,302.12 : 4,556.82 = 1,905.08 : x
  2. Step 2: Convert to fraction form
    3,302.12/4,556.82 = 1,905.08/x
  3. Step 3: Cross multiply
    3,302.12x = 4,556.82 × 1,905.08
  4. Step 4: Simplify right side
    3,302.12x = 8,681,106.65
  5. Step 5: Solve for x
    x = 8,681,106.65/3,302.12
  6. Step 6: Final answer
    x = 2,628.95

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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.