Home / 5,902.02-8,148.15-3,915.27

Finding the Fourth Proportional to 5,902.02, 8,148.15 and 3,915.27

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Solution

The fourth proportional to 5,902.02, 8,148.15 and 3,915.27 is: 5,405.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,902.02 : 8,148.15 = 3,915.27 : x
  2. Step 2: Convert to fraction form
    5,902.02/8,148.15 = 3,915.27/x
  3. Step 3: Cross multiply
    5,902.02x = 8,148.15 × 3,915.27
  4. Step 4: Simplify right side
    5,902.02x = 31,902,207.25
  5. Step 5: Solve for x
    x = 31,902,207.25/5,902.02
  6. Step 6: Final answer
    x = 5,405.30

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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.