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Finding the Fourth Proportional to 3,400.58, 5,097.60 and 1,860.50

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Solution

The fourth proportional to 3,400.58, 5,097.60 and 1,860.50 is: 2,788.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.58 : 5,097.60 = 1,860.50 : x
  2. Step 2: Convert to fraction form
    3,400.58/5,097.60 = 1,860.50/x
  3. Step 3: Cross multiply
    3,400.58x = 5,097.60 × 1,860.50
  4. Step 4: Simplify right side
    3,400.58x = 9,484,084.80
  5. Step 5: Solve for x
    x = 9,484,084.80/3,400.58
  6. Step 6: Final answer
    x = 2,788.96

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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.