Home / 5,810.46-8,716.72-2,117.86

Finding the Fourth Proportional to 5,810.46, 8,716.72 and 2,117.86

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Solution

The fourth proportional to 5,810.46, 8,716.72 and 2,117.86 is: 3,177.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,810.46 : 8,716.72 = 2,117.86 : x
  2. Step 2: Convert to fraction form
    5,810.46/8,716.72 = 2,117.86/x
  3. Step 3: Cross multiply
    5,810.46x = 8,716.72 × 2,117.86
  4. Step 4: Simplify right side
    5,810.46x = 18,460,792.62
  5. Step 5: Solve for x
    x = 18,460,792.62/5,810.46
  6. Step 6: Final answer
    x = 3,177.17

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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.