Home / 5,822.78-8,029.40-4,986.27

Finding the Fourth Proportional to 5,822.78, 8,029.40 and 4,986.27

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Solution

The fourth proportional to 5,822.78, 8,029.40 and 4,986.27 is: 6,875.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,822.78 : 8,029.40 = 4,986.27 : x
  2. Step 2: Convert to fraction form
    5,822.78/8,029.40 = 4,986.27/x
  3. Step 3: Cross multiply
    5,822.78x = 8,029.40 × 4,986.27
  4. Step 4: Simplify right side
    5,822.78x = 40,036,731.41
  5. Step 5: Solve for x
    x = 40,036,731.41/5,822.78
  6. Step 6: Final answer
    x = 6,875.89

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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.