Home / 1,622.16-2,236.68-1,174.23

Finding the Fourth Proportional to 1,622.16, 2,236.68 and 1,174.23

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Solution

The fourth proportional to 1,622.16, 2,236.68 and 1,174.23 is: 1,619.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622.16 : 2,236.68 = 1,174.23 : x
  2. Step 2: Convert to fraction form
    1,622.16/2,236.68 = 1,174.23/x
  3. Step 3: Cross multiply
    1,622.16x = 2,236.68 × 1,174.23
  4. Step 4: Simplify right side
    1,622.16x = 2,626,376.76
  5. Step 5: Solve for x
    x = 2,626,376.76/1,622.16
  6. Step 6: Final answer
    x = 1,619.06

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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.