Home / 2,956.24-4,433.26-981.51

Finding the Fourth Proportional to 2,956.24, 4,433.26 and 981.51

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Solution

The fourth proportional to 2,956.24, 4,433.26 and 981.51 is: 1,471.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956.24 : 4,433.26 = 981.51 : x
  2. Step 2: Convert to fraction form
    2,956.24/4,433.26 = 981.51/x
  3. Step 3: Cross multiply
    2,956.24x = 4,433.26 × 981.51
  4. Step 4: Simplify right side
    2,956.24x = 4,351,289.02
  5. Step 5: Solve for x
    x = 4,351,289.02/2,956.24
  6. Step 6: Final answer
    x = 1,471.90

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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.