Home / 2,926.60-4,031.88-2,040.84

Finding the Fourth Proportional to 2,926.60, 4,031.88 and 2,040.84

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Solution

The fourth proportional to 2,926.60, 4,031.88 and 2,040.84 is: 2,811.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.60 : 4,031.88 = 2,040.84 : x
  2. Step 2: Convert to fraction form
    2,926.60/4,031.88 = 2,040.84/x
  3. Step 3: Cross multiply
    2,926.60x = 4,031.88 × 2,040.84
  4. Step 4: Simplify right side
    2,926.60x = 8,228,421.98
  5. Step 5: Solve for x
    x = 8,228,421.98/2,926.60
  6. Step 6: Final answer
    x = 2,811.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.