Home / 3,031.46-4,183.07-1,705.13

Finding the Fourth Proportional to 3,031.46, 4,183.07 and 1,705.13

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Solution

The fourth proportional to 3,031.46, 4,183.07 and 1,705.13 is: 2,352.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.46 : 4,183.07 = 1,705.13 : x
  2. Step 2: Convert to fraction form
    3,031.46/4,183.07 = 1,705.13/x
  3. Step 3: Cross multiply
    3,031.46x = 4,183.07 × 1,705.13
  4. Step 4: Simplify right side
    3,031.46x = 7,132,685.75
  5. Step 5: Solve for x
    x = 7,132,685.75/3,031.46
  6. Step 6: Final answer
    x = 2,352.89

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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.