Home / 4,579.02-6,868.23-1,945.40

Finding the Fourth Proportional to 4,579.02, 6,868.23 and 1,945.40

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Solution

The fourth proportional to 4,579.02, 6,868.23 and 1,945.40 is: 2,917.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,579.02 : 6,868.23 = 1,945.40 : x
  2. Step 2: Convert to fraction form
    4,579.02/6,868.23 = 1,945.40/x
  3. Step 3: Cross multiply
    4,579.02x = 6,868.23 × 1,945.40
  4. Step 4: Simplify right side
    4,579.02x = 13,361,454.64
  5. Step 5: Solve for x
    x = 13,361,454.64/4,579.02
  6. Step 6: Final answer
    x = 2,917.97

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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.