Home / 3,719.96-5,133.50-2,148.02

Finding the Fourth Proportional to 3,719.96, 5,133.50 and 2,148.02

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Solution

The fourth proportional to 3,719.96, 5,133.50 and 2,148.02 is: 2,964.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.96 : 5,133.50 = 2,148.02 : x
  2. Step 2: Convert to fraction form
    3,719.96/5,133.50 = 2,148.02/x
  3. Step 3: Cross multiply
    3,719.96x = 5,133.50 × 2,148.02
  4. Step 4: Simplify right side
    3,719.96x = 11,026,860.67
  5. Step 5: Solve for x
    x = 11,026,860.67/3,719.96
  6. Step 6: Final answer
    x = 2,964.24

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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.