Home / 3,057.75-4,586.81-1,005.75

Finding the Fourth Proportional to 3,057.75, 4,586.81 and 1,005.75

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Solution

The fourth proportional to 3,057.75, 4,586.81 and 1,005.75 is: 1,508.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057.75 : 4,586.81 = 1,005.75 : x
  2. Step 2: Convert to fraction form
    3,057.75/4,586.81 = 1,005.75/x
  3. Step 3: Cross multiply
    3,057.75x = 4,586.81 × 1,005.75
  4. Step 4: Simplify right side
    3,057.75x = 4,613,179.13
  5. Step 5: Solve for x
    x = 4,613,179.13/3,057.75
  6. Step 6: Final answer
    x = 1,508.68

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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.