Home / 3,081.30-4,622.40-1,133.34

Finding the Fourth Proportional to 3,081.30, 4,622.40 and 1,133.34

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Solution

The fourth proportional to 3,081.30, 4,622.40 and 1,133.34 is: 1,700.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.30 : 4,622.40 = 1,133.34 : x
  2. Step 2: Convert to fraction form
    3,081.30/4,622.40 = 1,133.34/x
  3. Step 3: Cross multiply
    3,081.30x = 4,622.40 × 1,133.34
  4. Step 4: Simplify right side
    3,081.30x = 5,238,750.82
  5. Step 5: Solve for x
    x = 5,238,750.82/3,081.30
  6. Step 6: Final answer
    x = 1,700.18

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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.