Home / 4,590.81-6,888.51-2,122.83

Finding the Fourth Proportional to 4,590.81, 6,888.51 and 2,122.83

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Solution

The fourth proportional to 4,590.81, 6,888.51 and 2,122.83 is: 3,185.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,590.81 : 6,888.51 = 2,122.83 : x
  2. Step 2: Convert to fraction form
    4,590.81/6,888.51 = 2,122.83/x
  3. Step 3: Cross multiply
    4,590.81x = 6,888.51 × 2,122.83
  4. Step 4: Simplify right side
    4,590.81x = 14,623,135.68
  5. Step 5: Solve for x
    x = 14,623,135.68/4,590.81
  6. Step 6: Final answer
    x = 3,185.31

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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.