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Finding the Fourth Proportional to 3,435.76, 4,741.26 and 2,019.46

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Solution

The fourth proportional to 3,435.76, 4,741.26 and 2,019.46 is: 2,786.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.76 : 4,741.26 = 2,019.46 : x
  2. Step 2: Convert to fraction form
    3,435.76/4,741.26 = 2,019.46/x
  3. Step 3: Cross multiply
    3,435.76x = 4,741.26 × 2,019.46
  4. Step 4: Simplify right side
    3,435.76x = 9,574,784.92
  5. Step 5: Solve for x
    x = 9,574,784.92/3,435.76
  6. Step 6: Final answer
    x = 2,786.80

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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.