Home / 6,438.24-8,884.80-3,567.06

Finding the Fourth Proportional to 6,438.24, 8,884.80 and 3,567.06

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Solution

The fourth proportional to 6,438.24, 8,884.80 and 3,567.06 is: 4,922.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438.24 : 8,884.80 = 3,567.06 : x
  2. Step 2: Convert to fraction form
    6,438.24/8,884.80 = 3,567.06/x
  3. Step 3: Cross multiply
    6,438.24x = 8,884.80 × 3,567.06
  4. Step 4: Simplify right side
    6,438.24x = 31,692,614.69
  5. Step 5: Solve for x
    x = 31,692,614.69/6,438.24
  6. Step 6: Final answer
    x = 4,922.56

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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.