Home / 1,861.36-2,568.67-1,022.06

Finding the Fourth Proportional to 1,861.36, 2,568.67 and 1,022.06

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Solution

The fourth proportional to 1,861.36, 2,568.67 and 1,022.06 is: 1,410.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861.36 : 2,568.67 = 1,022.06 : x
  2. Step 2: Convert to fraction form
    1,861.36/2,568.67 = 1,022.06/x
  3. Step 3: Cross multiply
    1,861.36x = 2,568.67 × 1,022.06
  4. Step 4: Simplify right side
    1,861.36x = 2,625,334.86
  5. Step 5: Solve for x
    x = 2,625,334.86/1,861.36
  6. Step 6: Final answer
    x = 1,410.44

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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.