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Finding the Fourth Proportional to 3,506.95, 4,836.14 and 2,720.71

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Solution

The fourth proportional to 3,506.95, 4,836.14 and 2,720.71 is: 3,751.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,506.95 : 4,836.14 = 2,720.71 : x
  2. Step 2: Convert to fraction form
    3,506.95/4,836.14 = 2,720.71/x
  3. Step 3: Cross multiply
    3,506.95x = 4,836.14 × 2,720.71
  4. Step 4: Simplify right side
    3,506.95x = 13,157,720.86
  5. Step 5: Solve for x
    x = 13,157,720.86/3,506.95
  6. Step 6: Final answer
    x = 3,751.90

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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.