Home / 5,319.15-7,979.00-2,031.77

Finding the Fourth Proportional to 5,319.15, 7,979.00 and 2,031.77

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Solution

The fourth proportional to 5,319.15, 7,979.00 and 2,031.77 is: 3,047.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.15 : 7,979.00 = 2,031.77 : x
  2. Step 2: Convert to fraction form
    5,319.15/7,979.00 = 2,031.77/x
  3. Step 3: Cross multiply
    5,319.15x = 7,979.00 × 2,031.77
  4. Step 4: Simplify right side
    5,319.15x = 16,211,442.78
  5. Step 5: Solve for x
    x = 16,211,442.78/5,319.15
  6. Step 6: Final answer
    x = 3,047.75

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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.