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Finding the Fourth Proportional to 3,859.58, 5,798.60 and 2,475.63

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Solution

The fourth proportional to 3,859.58, 5,798.60 and 2,475.63 is: 3,719.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,859.58 : 5,798.60 = 2,475.63 : x
  2. Step 2: Convert to fraction form
    3,859.58/5,798.60 = 2,475.63/x
  3. Step 3: Cross multiply
    3,859.58x = 5,798.60 × 2,475.63
  4. Step 4: Simplify right side
    3,859.58x = 14,355,175.74
  5. Step 5: Solve for x
    x = 14,355,175.74/3,859.58
  6. Step 6: Final answer
    x = 3,719.37

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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.