Home / 2,956.76-4,435.68-1,009.12

Finding the Fourth Proportional to 2,956.76, 4,435.68 and 1,009.12

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Solution

The fourth proportional to 2,956.76, 4,435.68 and 1,009.12 is: 1,513.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956.76 : 4,435.68 = 1,009.12 : x
  2. Step 2: Convert to fraction form
    2,956.76/4,435.68 = 1,009.12/x
  3. Step 3: Cross multiply
    2,956.76x = 4,435.68 × 1,009.12
  4. Step 4: Simplify right side
    2,956.76x = 4,476,133.40
  5. Step 5: Solve for x
    x = 4,476,133.40/2,956.76
  6. Step 6: Final answer
    x = 1,513.86

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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.