Home / 4,966.80-6,854.14-2,977.35

Finding the Fourth Proportional to 4,966.80, 6,854.14 and 2,977.35

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Solution

The fourth proportional to 4,966.80, 6,854.14 and 2,977.35 is: 4,108.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,966.80 : 6,854.14 = 2,977.35 : x
  2. Step 2: Convert to fraction form
    4,966.80/6,854.14 = 2,977.35/x
  3. Step 3: Cross multiply
    4,966.80x = 6,854.14 × 2,977.35
  4. Step 4: Simplify right side
    4,966.80x = 20,407,173.73
  5. Step 5: Solve for x
    x = 20,407,173.73/4,966.80
  6. Step 6: Final answer
    x = 4,108.72

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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.