Home / 4,720.85-6,517.83-2,930.24

Finding the Fourth Proportional to 4,720.85, 6,517.83 and 2,930.24

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Solution

The fourth proportional to 4,720.85, 6,517.83 and 2,930.24 is: 4,045.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.85 : 6,517.83 = 2,930.24 : x
  2. Step 2: Convert to fraction form
    4,720.85/6,517.83 = 2,930.24/x
  3. Step 3: Cross multiply
    4,720.85x = 6,517.83 × 2,930.24
  4. Step 4: Simplify right side
    4,720.85x = 19,098,833.46
  5. Step 5: Solve for x
    x = 19,098,833.46/4,720.85
  6. Step 6: Final answer
    x = 4,045.64

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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.