Home / 5,076.08-7,615.76-2,156.88

Finding the Fourth Proportional to 5,076.08, 7,615.76 and 2,156.88

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Solution

The fourth proportional to 5,076.08, 7,615.76 and 2,156.88 is: 3,236.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.08 : 7,615.76 = 2,156.88 : x
  2. Step 2: Convert to fraction form
    5,076.08/7,615.76 = 2,156.88/x
  3. Step 3: Cross multiply
    5,076.08x = 7,615.76 × 2,156.88
  4. Step 4: Simplify right side
    5,076.08x = 16,426,280.43
  5. Step 5: Solve for x
    x = 16,426,280.43/5,076.08
  6. Step 6: Final answer
    x = 3,236.02

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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.