Home / 4,916.50-6,784.78-2,708.50

Finding the Fourth Proportional to 4,916.50, 6,784.78 and 2,708.50

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Solution

The fourth proportional to 4,916.50, 6,784.78 and 2,708.50 is: 3,737.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,916.50 : 6,784.78 = 2,708.50 : x
  2. Step 2: Convert to fraction form
    4,916.50/6,784.78 = 2,708.50/x
  3. Step 3: Cross multiply
    4,916.50x = 6,784.78 × 2,708.50
  4. Step 4: Simplify right side
    4,916.50x = 18,376,576.63
  5. Step 5: Solve for x
    x = 18,376,576.63/4,916.50
  6. Step 6: Final answer
    x = 3,737.74

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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.