Home / 4,916.30-7,378.34-2,577.02

Finding the Fourth Proportional to 4,916.30, 7,378.34 and 2,577.02

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Solution

The fourth proportional to 4,916.30, 7,378.34 and 2,577.02 is: 3,867.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,916.30 : 7,378.34 = 2,577.02 : x
  2. Step 2: Convert to fraction form
    4,916.30/7,378.34 = 2,577.02/x
  3. Step 3: Cross multiply
    4,916.30x = 7,378.34 × 2,577.02
  4. Step 4: Simplify right side
    4,916.30x = 19,014,079.97
  5. Step 5: Solve for x
    x = 19,014,079.97/4,916.30
  6. Step 6: Final answer
    x = 3,867.56

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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.