Home / 4,915.64-7,374.87-2,837.12

Finding the Fourth Proportional to 4,915.64, 7,374.87 and 2,837.12

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Solution

The fourth proportional to 4,915.64, 7,374.87 and 2,837.12 is: 4,256.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.64 : 7,374.87 = 2,837.12 : x
  2. Step 2: Convert to fraction form
    4,915.64/7,374.87 = 2,837.12/x
  3. Step 3: Cross multiply
    4,915.64x = 7,374.87 × 2,837.12
  4. Step 4: Simplify right side
    4,915.64x = 20,923,354.30
  5. Step 5: Solve for x
    x = 20,923,354.30/4,915.64
  6. Step 6: Final answer
    x = 4,256.49

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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.