Home / 4,967.03-6,856.45-2,977.20

Finding the Fourth Proportional to 4,967.03, 6,856.45 and 2,977.20

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Solution

The fourth proportional to 4,967.03, 6,856.45 and 2,977.20 is: 4,109.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,967.03 : 6,856.45 = 2,977.20 : x
  2. Step 2: Convert to fraction form
    4,967.03/6,856.45 = 2,977.20/x
  3. Step 3: Cross multiply
    4,967.03x = 6,856.45 × 2,977.20
  4. Step 4: Simplify right side
    4,967.03x = 20,413,022.94
  5. Step 5: Solve for x
    x = 20,413,022.94/4,967.03
  6. Step 6: Final answer
    x = 4,109.70

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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.