Home / 3,528-4,868.64-1,956.11

Finding the Fourth Proportional to 3,528, 4,868.64 and 1,956.11

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Solution

The fourth proportional to 3,528, 4,868.64 and 1,956.11 is: 2,699.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528 : 4,868.64 = 1,956.11 : x
  2. Step 2: Convert to fraction form
    3,528/4,868.64 = 1,956.11/x
  3. Step 3: Cross multiply
    3,528x = 4,868.64 × 1,956.11
  4. Step 4: Simplify right side
    3,528x = 9,523,571.05
  5. Step 5: Solve for x
    x = 9,523,571.05/3,528
  6. Step 6: Final answer
    x = 2,699.42

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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.