Home / 5,409.56-7,465.55-3,170.63

Finding the Fourth Proportional to 5,409.56, 7,465.55 and 3,170.63

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Solution

The fourth proportional to 5,409.56, 7,465.55 and 3,170.63 is: 4,375.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,409.56 : 7,465.55 = 3,170.63 : x
  2. Step 2: Convert to fraction form
    5,409.56/7,465.55 = 3,170.63/x
  3. Step 3: Cross multiply
    5,409.56x = 7,465.55 × 3,170.63
  4. Step 4: Simplify right side
    5,409.56x = 23,670,499.61
  5. Step 5: Solve for x
    x = 23,670,499.61/5,409.56
  6. Step 6: Final answer
    x = 4,375.68

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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.