Home / 5,320.47-7,980.79-2,033.74

Finding the Fourth Proportional to 5,320.47, 7,980.79 and 2,033.74

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Solution

The fourth proportional to 5,320.47, 7,980.79 and 2,033.74 is: 3,050.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.47 : 7,980.79 = 2,033.74 : x
  2. Step 2: Convert to fraction form
    5,320.47/7,980.79 = 2,033.74/x
  3. Step 3: Cross multiply
    5,320.47x = 7,980.79 × 2,033.74
  4. Step 4: Simplify right side
    5,320.47x = 16,230,846.77
  5. Step 5: Solve for x
    x = 16,230,846.77/5,320.47
  6. Step 6: Final answer
    x = 3,050.64

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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.