Home / 2,777.34-4,179.93-2,087.58

Finding the Fourth Proportional to 2,777.34, 4,179.93 and 2,087.58

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Solution

The fourth proportional to 2,777.34, 4,179.93 and 2,087.58 is: 3,141.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777.34 : 4,179.93 = 2,087.58 : x
  2. Step 2: Convert to fraction form
    2,777.34/4,179.93 = 2,087.58/x
  3. Step 3: Cross multiply
    2,777.34x = 4,179.93 × 2,087.58
  4. Step 4: Simplify right side
    2,777.34x = 8,725,938.27
  5. Step 5: Solve for x
    x = 8,725,938.27/2,777.34
  6. Step 6: Final answer
    x = 3,141.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.