Home / 2,833.53-3,911.65-1,771.81

Finding the Fourth Proportional to 2,833.53, 3,911.65 and 1,771.81

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Solution

The fourth proportional to 2,833.53, 3,911.65 and 1,771.81 is: 2,445.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,833.53 : 3,911.65 = 1,771.81 : x
  2. Step 2: Convert to fraction form
    2,833.53/3,911.65 = 1,771.81/x
  3. Step 3: Cross multiply
    2,833.53x = 3,911.65 × 1,771.81
  4. Step 4: Simplify right side
    2,833.53x = 6,930,715.34
  5. Step 5: Solve for x
    x = 6,930,715.34/2,833.53
  6. Step 6: Final answer
    x = 2,445.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.