Home / 5,915.62-8,857.63-5,214.97

Finding the Fourth Proportional to 5,915.62, 8,857.63 and 5,214.97

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Solution

The fourth proportional to 5,915.62, 8,857.63 and 5,214.97 is: 7,808.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.62 : 8,857.63 = 5,214.97 : x
  2. Step 2: Convert to fraction form
    5,915.62/8,857.63 = 5,214.97/x
  3. Step 3: Cross multiply
    5,915.62x = 8,857.63 × 5,214.97
  4. Step 4: Simplify right side
    5,915.62x = 46,192,274.72
  5. Step 5: Solve for x
    x = 46,192,274.72/5,915.62
  6. Step 6: Final answer
    x = 7,808.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.