Home / 5,916.48-8,163.61-3,398.59

Finding the Fourth Proportional to 5,916.48, 8,163.61 and 3,398.59

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Solution

The fourth proportional to 5,916.48, 8,163.61 and 3,398.59 is: 4,689.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,916.48 : 8,163.61 = 3,398.59 : x
  2. Step 2: Convert to fraction form
    5,916.48/8,163.61 = 3,398.59/x
  3. Step 3: Cross multiply
    5,916.48x = 8,163.61 × 3,398.59
  4. Step 4: Simplify right side
    5,916.48x = 27,744,763.31
  5. Step 5: Solve for x
    x = 27,744,763.31/5,916.48
  6. Step 6: Final answer
    x = 4,689.40

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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.