Home / 4,916.40-7,370.28-2,724.72

Finding the Fourth Proportional to 4,916.40, 7,370.28 and 2,724.72

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Solution

The fourth proportional to 4,916.40, 7,370.28 and 2,724.72 is: 4,084.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,916.40 : 7,370.28 = 2,724.72 : x
  2. Step 2: Convert to fraction form
    4,916.40/7,370.28 = 2,724.72/x
  3. Step 3: Cross multiply
    4,916.40x = 7,370.28 × 2,724.72
  4. Step 4: Simplify right side
    4,916.40x = 20,081,949.32
  5. Step 5: Solve for x
    x = 20,081,949.32/4,916.40
  6. Step 6: Final answer
    x = 4,084.69

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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.