Home / 3,081.29-4,622.40-1,133.35

Finding the Fourth Proportional to 3,081.29, 4,622.40 and 1,133.35

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Solution

The fourth proportional to 3,081.29, 4,622.40 and 1,133.35 is: 1,700.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.29 : 4,622.40 = 1,133.35 : x
  2. Step 2: Convert to fraction form
    3,081.29/4,622.40 = 1,133.35/x
  3. Step 3: Cross multiply
    3,081.29x = 4,622.40 × 1,133.35
  4. Step 4: Simplify right side
    3,081.29x = 5,238,773.93
  5. Step 5: Solve for x
    x = 5,238,773.93/3,081.29
  6. Step 6: Final answer
    x = 1,700.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.