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Finding the Fourth Proportional to 3,595.83, 5,358.48 and 3,478.38

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Solution

The fourth proportional to 3,595.83, 5,358.48 and 3,478.38 is: 5,183.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,595.83 : 5,358.48 = 3,478.38 : x
  2. Step 2: Convert to fraction form
    3,595.83/5,358.48 = 3,478.38/x
  3. Step 3: Cross multiply
    3,595.83x = 5,358.48 × 3,478.38
  4. Step 4: Simplify right side
    3,595.83x = 18,638,829.66
  5. Step 5: Solve for x
    x = 18,638,829.66/3,595.83
  6. Step 6: Final answer
    x = 5,183.46

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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.