Home / 6,464.33-8,920.23-3,631.48

Finding the Fourth Proportional to 6,464.33, 8,920.23 and 3,631.48

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Solution

The fourth proportional to 6,464.33, 8,920.23 and 3,631.48 is: 5,011.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,464.33 : 8,920.23 = 3,631.48 : x
  2. Step 2: Convert to fraction form
    6,464.33/8,920.23 = 3,631.48/x
  3. Step 3: Cross multiply
    6,464.33x = 8,920.23 × 3,631.48
  4. Step 4: Simplify right side
    6,464.33x = 32,393,651.10
  5. Step 5: Solve for x
    x = 32,393,651.10/6,464.33
  6. Step 6: Final answer
    x = 5,011.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.