Home / 5,155.94-7,683.20-4,844.30

Finding the Fourth Proportional to 5,155.94, 7,683.20 and 4,844.30

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Solution

The fourth proportional to 5,155.94, 7,683.20 and 4,844.30 is: 7,218.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,155.94 : 7,683.20 = 4,844.30 : x
  2. Step 2: Convert to fraction form
    5,155.94/7,683.20 = 4,844.30/x
  3. Step 3: Cross multiply
    5,155.94x = 7,683.20 × 4,844.30
  4. Step 4: Simplify right side
    5,155.94x = 37,219,663.12
  5. Step 5: Solve for x
    x = 37,219,663.12/5,155.94
  6. Step 6: Final answer
    x = 7,218.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.