Home / 5,590.46-8,389.71-2,080.95

Finding the Fourth Proportional to 5,590.46, 8,389.71 and 2,080.95

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Solution

The fourth proportional to 5,590.46, 8,389.71 and 2,080.95 is: 3,122.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590.46 : 8,389.71 = 2,080.95 : x
  2. Step 2: Convert to fraction form
    5,590.46/8,389.71 = 2,080.95/x
  3. Step 3: Cross multiply
    5,590.46x = 8,389.71 × 2,080.95
  4. Step 4: Simplify right side
    5,590.46x = 17,458,567.02
  5. Step 5: Solve for x
    x = 17,458,567.02/5,590.46
  6. Step 6: Final answer
    x = 3,122.92

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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.