Home / 3,225.19-4,451.71-2,106.29

Finding the Fourth Proportional to 3,225.19, 4,451.71 and 2,106.29

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Solution

The fourth proportional to 3,225.19, 4,451.71 and 2,106.29 is: 2,907.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.19 : 4,451.71 = 2,106.29 : x
  2. Step 2: Convert to fraction form
    3,225.19/4,451.71 = 2,106.29/x
  3. Step 3: Cross multiply
    3,225.19x = 4,451.71 × 2,106.29
  4. Step 4: Simplify right side
    3,225.19x = 9,376,581.72
  5. Step 5: Solve for x
    x = 9,376,581.72/3,225.19
  6. Step 6: Final answer
    x = 2,907.30

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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.