Home / 5,838.48-8,758.98-2,140.68

Finding the Fourth Proportional to 5,838.48, 8,758.98 and 2,140.68

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Solution

The fourth proportional to 5,838.48, 8,758.98 and 2,140.68 is: 3,211.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,838.48 : 8,758.98 = 2,140.68 : x
  2. Step 2: Convert to fraction form
    5,838.48/8,758.98 = 2,140.68/x
  3. Step 3: Cross multiply
    5,838.48x = 8,758.98 × 2,140.68
  4. Step 4: Simplify right side
    5,838.48x = 18,750,173.31
  5. Step 5: Solve for x
    x = 18,750,173.31/5,838.48
  6. Step 6: Final answer
    x = 3,211.48

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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.