Home / 2,356.56-3,252.36-1,611.28

Finding the Fourth Proportional to 2,356.56, 3,252.36 and 1,611.28

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Solution

The fourth proportional to 2,356.56, 3,252.36 and 1,611.28 is: 2,223.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,356.56 : 3,252.36 = 1,611.28 : x
  2. Step 2: Convert to fraction form
    2,356.56/3,252.36 = 1,611.28/x
  3. Step 3: Cross multiply
    2,356.56x = 3,252.36 × 1,611.28
  4. Step 4: Simplify right side
    2,356.56x = 5,240,462.62
  5. Step 5: Solve for x
    x = 5,240,462.62/2,356.56
  6. Step 6: Final answer
    x = 2,223.78

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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.