Home / 3,511.08-5,267.50-1,045.71

Finding the Fourth Proportional to 3,511.08, 5,267.50 and 1,045.71

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Solution

The fourth proportional to 3,511.08, 5,267.50 and 1,045.71 is: 1,568.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.08 : 5,267.50 = 1,045.71 : x
  2. Step 2: Convert to fraction form
    3,511.08/5,267.50 = 1,045.71/x
  3. Step 3: Cross multiply
    3,511.08x = 5,267.50 × 1,045.71
  4. Step 4: Simplify right side
    3,511.08x = 5,508,274.81
  5. Step 5: Solve for x
    x = 5,508,274.81/3,511.08
  6. Step 6: Final answer
    x = 1,568.83

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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.