Home / 2,806.19-3,872.32-1,627.34

Finding the Fourth Proportional to 2,806.19, 3,872.32 and 1,627.34

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Solution

The fourth proportional to 2,806.19, 3,872.32 and 1,627.34 is: 2,245.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,806.19 : 3,872.32 = 1,627.34 : x
  2. Step 2: Convert to fraction form
    2,806.19/3,872.32 = 1,627.34/x
  3. Step 3: Cross multiply
    2,806.19x = 3,872.32 × 1,627.34
  4. Step 4: Simplify right side
    2,806.19x = 6,301,581.23
  5. Step 5: Solve for x
    x = 6,301,581.23/2,806.19
  6. Step 6: Final answer
    x = 2,245.60

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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.