Home / 2,233.35-3,082.32-1,289.19

Finding the Fourth Proportional to 2,233.35, 3,082.32 and 1,289.19

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Solution

The fourth proportional to 2,233.35, 3,082.32 and 1,289.19 is: 1,779.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,233.35 : 3,082.32 = 1,289.19 : x
  2. Step 2: Convert to fraction form
    2,233.35/3,082.32 = 1,289.19/x
  3. Step 3: Cross multiply
    2,233.35x = 3,082.32 × 1,289.19
  4. Step 4: Simplify right side
    2,233.35x = 3,973,707.68
  5. Step 5: Solve for x
    x = 3,973,707.68/2,233.35
  6. Step 6: Final answer
    x = 1,779.26

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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.