Home / 1,619.46-2,236.38-1,559.28

Finding the Fourth Proportional to 1,619.46, 2,236.38 and 1,559.28

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Solution

The fourth proportional to 1,619.46, 2,236.38 and 1,559.28 is: 2,153.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619.46 : 2,236.38 = 1,559.28 : x
  2. Step 2: Convert to fraction form
    1,619.46/2,236.38 = 1,559.28/x
  3. Step 3: Cross multiply
    1,619.46x = 2,236.38 × 1,559.28
  4. Step 4: Simplify right side
    1,619.46x = 3,487,142.61
  5. Step 5: Solve for x
    x = 3,487,142.61/1,619.46
  6. Step 6: Final answer
    x = 2,153.27

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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.