Home / 5,307.08-7,327.05-3,419.33

Finding the Fourth Proportional to 5,307.08, 7,327.05 and 3,419.33

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Solution

The fourth proportional to 5,307.08, 7,327.05 and 3,419.33 is: 4,720.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.08 : 7,327.05 = 3,419.33 : x
  2. Step 2: Convert to fraction form
    5,307.08/7,327.05 = 3,419.33/x
  3. Step 3: Cross multiply
    5,307.08x = 7,327.05 × 3,419.33
  4. Step 4: Simplify right side
    5,307.08x = 25,053,601.88
  5. Step 5: Solve for x
    x = 25,053,601.88/5,307.08
  6. Step 6: Final answer
    x = 4,720.79

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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.