Home / 5,254.72-7,884.78-2,335.12

Finding the Fourth Proportional to 5,254.72, 7,884.78 and 2,335.12

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Solution

The fourth proportional to 5,254.72, 7,884.78 and 2,335.12 is: 3,503.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.72 : 7,884.78 = 2,335.12 : x
  2. Step 2: Convert to fraction form
    5,254.72/7,884.78 = 2,335.12/x
  3. Step 3: Cross multiply
    5,254.72x = 7,884.78 × 2,335.12
  4. Step 4: Simplify right side
    5,254.72x = 18,411,907.47
  5. Step 5: Solve for x
    x = 18,411,907.47/5,254.72
  6. Step 6: Final answer
    x = 3,503.88

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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.