Home / 7,950.30-11,931.08-3,274.53

Finding the Fourth Proportional to 7,950.30, 11,931.08 and 3,274.53

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Solution

The fourth proportional to 7,950.30, 11,931.08 and 3,274.53 is: 4,914.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,950.30 : 11,931.08 = 3,274.53 : x
  2. Step 2: Convert to fraction form
    7,950.30/11,931.08 = 3,274.53/x
  3. Step 3: Cross multiply
    7,950.30x = 11,931.08 × 3,274.53
  4. Step 4: Simplify right side
    7,950.30x = 39,068,663.02
  5. Step 5: Solve for x
    x = 39,068,663.02/7,950.30
  6. Step 6: Final answer
    x = 4,914.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.