Home / 4,645.55-6,993.68-4,237.31

Finding the Fourth Proportional to 4,645.55, 6,993.68 and 4,237.31

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Solution

The fourth proportional to 4,645.55, 6,993.68 and 4,237.31 is: 6,379.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,645.55 : 6,993.68 = 4,237.31 : x
  2. Step 2: Convert to fraction form
    4,645.55/6,993.68 = 4,237.31/x
  3. Step 3: Cross multiply
    4,645.55x = 6,993.68 × 4,237.31
  4. Step 4: Simplify right side
    4,645.55x = 29,634,390.20
  5. Step 5: Solve for x
    x = 29,634,390.20/4,645.55
  6. Step 6: Final answer
    x = 6,379.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.