Home / 4,982.90-6,876.32-2,967.72

Finding the Fourth Proportional to 4,982.90, 6,876.32 and 2,967.72

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Solution

The fourth proportional to 4,982.90, 6,876.32 and 2,967.72 is: 4,095.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,982.90 : 6,876.32 = 2,967.72 : x
  2. Step 2: Convert to fraction form
    4,982.90/6,876.32 = 2,967.72/x
  3. Step 3: Cross multiply
    4,982.90x = 6,876.32 × 2,967.72
  4. Step 4: Simplify right side
    4,982.90x = 20,406,977.55
  5. Step 5: Solve for x
    x = 20,406,977.55/4,982.90
  6. Step 6: Final answer
    x = 4,095.41

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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.