Home / 5,915.32-8,163.41-3,397.53

Finding the Fourth Proportional to 5,915.32, 8,163.41 and 3,397.53

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Solution

The fourth proportional to 5,915.32, 8,163.41 and 3,397.53 is: 4,688.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.32 : 8,163.41 = 3,397.53 : x
  2. Step 2: Convert to fraction form
    5,915.32/8,163.41 = 3,397.53/x
  3. Step 3: Cross multiply
    5,915.32x = 8,163.41 × 3,397.53
  4. Step 4: Simplify right side
    5,915.32x = 27,735,444.00
  5. Step 5: Solve for x
    x = 27,735,444.00/5,915.32
  6. Step 6: Final answer
    x = 4,688.75

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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.