Home / 2,967.71-4,095.45-2,072.75

Finding the Fourth Proportional to 2,967.71, 4,095.45 and 2,072.75

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Solution

The fourth proportional to 2,967.71, 4,095.45 and 2,072.75 is: 2,860.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,967.71 : 4,095.45 = 2,072.75 : x
  2. Step 2: Convert to fraction form
    2,967.71/4,095.45 = 2,072.75/x
  3. Step 3: Cross multiply
    2,967.71x = 4,095.45 × 2,072.75
  4. Step 4: Simplify right side
    2,967.71x = 8,488,843.99
  5. Step 5: Solve for x
    x = 8,488,843.99/2,967.71
  6. Step 6: Final answer
    x = 2,860.40

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1.5x scale

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.