Home / 2,926.10-4,389.15-2,488.70

Finding the Fourth Proportional to 2,926.10, 4,389.15 and 2,488.70

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Solution

The fourth proportional to 2,926.10, 4,389.15 and 2,488.70 is: 3,733.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.10 : 4,389.15 = 2,488.70 : x
  2. Step 2: Convert to fraction form
    2,926.10/4,389.15 = 2,488.70/x
  3. Step 3: Cross multiply
    2,926.10x = 4,389.15 × 2,488.70
  4. Step 4: Simplify right side
    2,926.10x = 10,923,277.61
  5. Step 5: Solve for x
    x = 10,923,277.61/2,926.10
  6. Step 6: Final answer
    x = 3,733.05

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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.