Home / 5,316.72-7,976.30-2,029.74

Finding the Fourth Proportional to 5,316.72, 7,976.30 and 2,029.74

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Solution

The fourth proportional to 5,316.72, 7,976.30 and 2,029.74 is: 3,045.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,316.72 : 7,976.30 = 2,029.74 : x
  2. Step 2: Convert to fraction form
    5,316.72/7,976.30 = 2,029.74/x
  3. Step 3: Cross multiply
    5,316.72x = 7,976.30 × 2,029.74
  4. Step 4: Simplify right side
    5,316.72x = 16,189,805.01
  5. Step 5: Solve for x
    x = 16,189,805.01/5,316.72
  6. Step 6: Final answer
    x = 3,045.07

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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.