Home / 5,330.95-7,360.34-3,447.09

Finding the Fourth Proportional to 5,330.95, 7,360.34 and 3,447.09

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Solution

The fourth proportional to 5,330.95, 7,360.34 and 3,447.09 is: 4,759.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.95 : 7,360.34 = 3,447.09 : x
  2. Step 2: Convert to fraction form
    5,330.95/7,360.34 = 3,447.09/x
  3. Step 3: Cross multiply
    5,330.95x = 7,360.34 × 3,447.09
  4. Step 4: Simplify right side
    5,330.95x = 25,371,737.18
  5. Step 5: Solve for x
    x = 25,371,737.18/5,330.95
  6. Step 6: Final answer
    x = 4,759.33

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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.