Home / 1,786.22-2,459.37-1,622.19

Finding the Fourth Proportional to 1,786.22, 2,459.37 and 1,622.19

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Solution

The fourth proportional to 1,786.22, 2,459.37 and 1,622.19 is: 2,233.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786.22 : 2,459.37 = 1,622.19 : x
  2. Step 2: Convert to fraction form
    1,786.22/2,459.37 = 1,622.19/x
  3. Step 3: Cross multiply
    1,786.22x = 2,459.37 × 1,622.19
  4. Step 4: Simplify right side
    1,786.22x = 3,989,565.42
  5. Step 5: Solve for x
    x = 3,989,565.42/1,786.22
  6. Step 6: Final answer
    x = 2,233.53

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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.