Home / 7,247.72-10,853.78-3,537.99

Finding the Fourth Proportional to 7,247.72, 10,853.78 and 3,537.99

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Solution

The fourth proportional to 7,247.72, 10,853.78 and 3,537.99 is: 5,298.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,247.72 : 10,853.78 = 3,537.99 : x
  2. Step 2: Convert to fraction form
    7,247.72/10,853.78 = 3,537.99/x
  3. Step 3: Cross multiply
    7,247.72x = 10,853.78 × 3,537.99
  4. Step 4: Simplify right side
    7,247.72x = 38,400,547.41
  5. Step 5: Solve for x
    x = 38,400,547.41/7,247.72
  6. Step 6: Final answer
    x = 5,298.29

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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.