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Finding the Fourth Proportional to 5,915.01, 8,167.63 and 5,284.43

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Solution

The fourth proportional to 5,915.01, 8,167.63 and 5,284.43 is: 7,296.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.01 : 8,167.63 = 5,284.43 : x
  2. Step 2: Convert to fraction form
    5,915.01/8,167.63 = 5,284.43/x
  3. Step 3: Cross multiply
    5,915.01x = 8,167.63 × 5,284.43
  4. Step 4: Simplify right side
    5,915.01x = 43,161,214.95
  5. Step 5: Solve for x
    x = 43,161,214.95/5,915.01
  6. Step 6: Final answer
    x = 7,296.90

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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.