Home / 7,076.64-10,611.36-2,690.76

Finding the Fourth Proportional to 7,076.64, 10,611.36 and 2,690.76

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Solution

The fourth proportional to 7,076.64, 10,611.36 and 2,690.76 is: 4,034.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,076.64 : 10,611.36 = 2,690.76 : x
  2. Step 2: Convert to fraction form
    7,076.64/10,611.36 = 2,690.76/x
  3. Step 3: Cross multiply
    7,076.64x = 10,611.36 × 2,690.76
  4. Step 4: Simplify right side
    7,076.64x = 28,552,623.03
  5. Step 5: Solve for x
    x = 28,552,623.03/7,076.64
  6. Step 6: Final answer
    x = 4,034.77

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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.