Home / 5,915.74-8,164.48-3,398.26

Finding the Fourth Proportional to 5,915.74, 8,164.48 and 3,398.26

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Solution

The fourth proportional to 5,915.74, 8,164.48 and 3,398.26 is: 4,690.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.74 : 8,164.48 = 3,398.26 : x
  2. Step 2: Convert to fraction form
    5,915.74/8,164.48 = 3,398.26/x
  3. Step 3: Cross multiply
    5,915.74x = 8,164.48 × 3,398.26
  4. Step 4: Simplify right side
    5,915.74x = 27,745,025.80
  5. Step 5: Solve for x
    x = 27,745,025.80/5,915.74
  6. Step 6: Final answer
    x = 4,690.03

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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.