Home / 5,590.42-8,386.37-1,840.96

Finding the Fourth Proportional to 5,590.42, 8,386.37 and 1,840.96

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Solution

The fourth proportional to 5,590.42, 8,386.37 and 1,840.96 is: 2,761.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590.42 : 8,386.37 = 1,840.96 : x
  2. Step 2: Convert to fraction form
    5,590.42/8,386.37 = 1,840.96/x
  3. Step 3: Cross multiply
    5,590.42x = 8,386.37 × 1,840.96
  4. Step 4: Simplify right side
    5,590.42x = 15,438,920.58
  5. Step 5: Solve for x
    x = 15,438,920.58/5,590.42
  6. Step 6: Final answer
    x = 2,761.68

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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.