Home / 2,708.96-3,738.24-1,530.12

Finding the Fourth Proportional to 2,708.96, 3,738.24 and 1,530.12

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Solution

The fourth proportional to 2,708.96, 3,738.24 and 1,530.12 is: 2,111.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,708.96 : 3,738.24 = 1,530.12 : x
  2. Step 2: Convert to fraction form
    2,708.96/3,738.24 = 1,530.12/x
  3. Step 3: Cross multiply
    2,708.96x = 3,738.24 × 1,530.12
  4. Step 4: Simplify right side
    2,708.96x = 5,719,955.79
  5. Step 5: Solve for x
    x = 5,719,955.79/2,708.96
  6. Step 6: Final answer
    x = 2,111.50

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.