Home / 5,829.96-8,045.30-3,177.40

Finding the Fourth Proportional to 5,829.96, 8,045.30 and 3,177.40

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Solution

The fourth proportional to 5,829.96, 8,045.30 and 3,177.40 is: 4,384.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,829.96 : 8,045.30 = 3,177.40 : x
  2. Step 2: Convert to fraction form
    5,829.96/8,045.30 = 3,177.40/x
  3. Step 3: Cross multiply
    5,829.96x = 8,045.30 × 3,177.40
  4. Step 4: Simplify right side
    5,829.96x = 25,563,136.22
  5. Step 5: Solve for x
    x = 25,563,136.22/5,829.96
  6. Step 6: Final answer
    x = 4,384.79

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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.