Home / 2,916.22-4,022.76-2,020.48

Finding the Fourth Proportional to 2,916.22, 4,022.76 and 2,020.48

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Solution

The fourth proportional to 2,916.22, 4,022.76 and 2,020.48 is: 2,787.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.22 : 4,022.76 = 2,020.48 : x
  2. Step 2: Convert to fraction form
    2,916.22/4,022.76 = 2,020.48/x
  3. Step 3: Cross multiply
    2,916.22x = 4,022.76 × 2,020.48
  4. Step 4: Simplify right side
    2,916.22x = 8,127,920.57
  5. Step 5: Solve for x
    x = 8,127,920.57/2,916.22
  6. Step 6: Final answer
    x = 2,787.14

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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.