Home / 4,076.60-6,111.30-2,431.40

Finding the Fourth Proportional to 4,076.60, 6,111.30 and 2,431.40

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Solution

The fourth proportional to 4,076.60, 6,111.30 and 2,431.40 is: 3,644.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,076.60 : 6,111.30 = 2,431.40 : x
  2. Step 2: Convert to fraction form
    4,076.60/6,111.30 = 2,431.40/x
  3. Step 3: Cross multiply
    4,076.60x = 6,111.30 × 2,431.40
  4. Step 4: Simplify right side
    4,076.60x = 14,859,014.82
  5. Step 5: Solve for x
    x = 14,859,014.82/4,076.60
  6. Step 6: Final answer
    x = 3,644.95

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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.