Home / 5,970.92-8,240.15-3,318.38

Finding the Fourth Proportional to 5,970.92, 8,240.15 and 3,318.38

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Solution

The fourth proportional to 5,970.92, 8,240.15 and 3,318.38 is: 4,579.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,970.92 : 8,240.15 = 3,318.38 : x
  2. Step 2: Convert to fraction form
    5,970.92/8,240.15 = 3,318.38/x
  3. Step 3: Cross multiply
    5,970.92x = 8,240.15 × 3,318.38
  4. Step 4: Simplify right side
    5,970.92x = 27,343,916.05
  5. Step 5: Solve for x
    x = 27,343,916.05/5,970.92
  6. Step 6: Final answer
    x = 4,579.51

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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.