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Finding the Fourth Proportional to 3,370.40, 4,651.24 and 1,878.24

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Solution

The fourth proportional to 3,370.40, 4,651.24 and 1,878.24 is: 2,592.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370.40 : 4,651.24 = 1,878.24 : x
  2. Step 2: Convert to fraction form
    3,370.40/4,651.24 = 1,878.24/x
  3. Step 3: Cross multiply
    3,370.40x = 4,651.24 × 1,878.24
  4. Step 4: Simplify right side
    3,370.40x = 8,736,145.02
  5. Step 5: Solve for x
    x = 8,736,145.02/3,370.40
  6. Step 6: Final answer
    x = 2,592.02

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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.