Home / 2,617.19-3,611.61-1,622.45

Finding the Fourth Proportional to 2,617.19, 3,611.61 and 1,622.45

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Solution

The fourth proportional to 2,617.19, 3,611.61 and 1,622.45 is: 2,238.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617.19 : 3,611.61 = 1,622.45 : x
  2. Step 2: Convert to fraction form
    2,617.19/3,611.61 = 1,622.45/x
  3. Step 3: Cross multiply
    2,617.19x = 3,611.61 × 1,622.45
  4. Step 4: Simplify right side
    2,617.19x = 5,859,638.59
  5. Step 5: Solve for x
    x = 5,859,638.59/2,617.19
  6. Step 6: Final answer
    x = 2,238.91

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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.