Home / 2,297.22-3,164.58-2,156.28

Finding the Fourth Proportional to 2,297.22, 3,164.58 and 2,156.28

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Solution

The fourth proportional to 2,297.22, 3,164.58 and 2,156.28 is: 2,970.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,297.22 : 3,164.58 = 2,156.28 : x
  2. Step 2: Convert to fraction form
    2,297.22/3,164.58 = 2,156.28/x
  3. Step 3: Cross multiply
    2,297.22x = 3,164.58 × 2,156.28
  4. Step 4: Simplify right side
    2,297.22x = 6,823,720.56
  5. Step 5: Solve for x
    x = 6,823,720.56/2,297.22
  6. Step 6: Final answer
    x = 2,970.43

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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.