Home / 4,916.79-6,785.37-2,792.30

Finding the Fourth Proportional to 4,916.79, 6,785.37 and 2,792.30

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Solution

The fourth proportional to 4,916.79, 6,785.37 and 2,792.30 is: 3,853.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,916.79 : 6,785.37 = 2,792.30 : x
  2. Step 2: Convert to fraction form
    4,916.79/6,785.37 = 2,792.30/x
  3. Step 3: Cross multiply
    4,916.79x = 6,785.37 × 2,792.30
  4. Step 4: Simplify right side
    4,916.79x = 18,946,754.72
  5. Step 5: Solve for x
    x = 18,946,754.72/4,916.79
  6. Step 6: Final answer
    x = 3,853.48

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1.5x scale

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.