Home / 4,916.26-6,784.29-2,820.82

Finding the Fourth Proportional to 4,916.26, 6,784.29 and 2,820.82

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Solution

The fourth proportional to 4,916.26, 6,784.29 and 2,820.82 is: 3,892.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,916.26 : 6,784.29 = 2,820.82 : x
  2. Step 2: Convert to fraction form
    4,916.26/6,784.29 = 2,820.82/x
  3. Step 3: Cross multiply
    4,916.26x = 6,784.29 × 2,820.82
  4. Step 4: Simplify right side
    4,916.26x = 19,137,260.92
  5. Step 5: Solve for x
    x = 19,137,260.92/4,916.26
  6. Step 6: Final answer
    x = 3,892.65

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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.