Home / 5,918.27-8,871.93-2,021.76

Finding the Fourth Proportional to 5,918.27, 8,871.93 and 2,021.76

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Solution

The fourth proportional to 5,918.27, 8,871.93 and 2,021.76 is: 3,030.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.27 : 8,871.93 = 2,021.76 : x
  2. Step 2: Convert to fraction form
    5,918.27/8,871.93 = 2,021.76/x
  3. Step 3: Cross multiply
    5,918.27x = 8,871.93 × 2,021.76
  4. Step 4: Simplify right side
    5,918.27x = 17,936,913.20
  5. Step 5: Solve for x
    x = 17,936,913.20/5,918.27
  6. Step 6: Final answer
    x = 3,030.77

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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.