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Finding the Fourth Proportional to 4,052.40, 6,078.48 and 1,860.48

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Solution

The fourth proportional to 4,052.40, 6,078.48 and 1,860.48 is: 2,790.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,052.40 : 6,078.48 = 1,860.48 : x
  2. Step 2: Convert to fraction form
    4,052.40/6,078.48 = 1,860.48/x
  3. Step 3: Cross multiply
    4,052.40x = 6,078.48 × 1,860.48
  4. Step 4: Simplify right side
    4,052.40x = 11,308,890.47
  5. Step 5: Solve for x
    x = 11,308,890.47/4,052.40
  6. Step 6: Final answer
    x = 2,790.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.