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Finding the Fourth Proportional to 2,405.70, 3,592.76 and 2,074.01

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Solution

The fourth proportional to 2,405.70, 3,592.76 and 2,074.01 is: 3,097.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405.70 : 3,592.76 = 2,074.01 : x
  2. Step 2: Convert to fraction form
    2,405.70/3,592.76 = 2,074.01/x
  3. Step 3: Cross multiply
    2,405.70x = 3,592.76 × 2,074.01
  4. Step 4: Simplify right side
    2,405.70x = 7,451,391.83
  5. Step 5: Solve for x
    x = 7,451,391.83/2,405.70
  6. Step 6: Final answer
    x = 3,097.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.