Home / 3,215.70-4,796.43-2,932.74

Finding the Fourth Proportional to 3,215.70, 4,796.43 and 2,932.74

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Solution

The fourth proportional to 3,215.70, 4,796.43 and 2,932.74 is: 4,374.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.70 : 4,796.43 = 2,932.74 : x
  2. Step 2: Convert to fraction form
    3,215.70/4,796.43 = 2,932.74/x
  3. Step 3: Cross multiply
    3,215.70x = 4,796.43 × 2,932.74
  4. Step 4: Simplify right side
    3,215.70x = 14,066,682.12
  5. Step 5: Solve for x
    x = 14,066,682.12/3,215.70
  6. Step 6: Final answer
    x = 4,374.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.