Home / 5,328.72-7,996.32-4,888.08

Finding the Fourth Proportional to 5,328.72, 7,996.32 and 4,888.08

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Solution

The fourth proportional to 5,328.72, 7,996.32 and 4,888.08 is: 7,335.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.72 : 7,996.32 = 4,888.08 : x
  2. Step 2: Convert to fraction form
    5,328.72/7,996.32 = 4,888.08/x
  3. Step 3: Cross multiply
    5,328.72x = 7,996.32 × 4,888.08
  4. Step 4: Simplify right side
    5,328.72x = 39,086,651.87
  5. Step 5: Solve for x
    x = 39,086,651.87/5,328.72
  6. Step 6: Final answer
    x = 7,335.09

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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.