Home / 5,409.37-8,113.35-1,711.97

Finding the Fourth Proportional to 5,409.37, 8,113.35 and 1,711.97

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Solution

The fourth proportional to 5,409.37, 8,113.35 and 1,711.97 is: 2,567.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,409.37 : 8,113.35 = 1,711.97 : x
  2. Step 2: Convert to fraction form
    5,409.37/8,113.35 = 1,711.97/x
  3. Step 3: Cross multiply
    5,409.37x = 8,113.35 × 1,711.97
  4. Step 4: Simplify right side
    5,409.37x = 13,889,811.80
  5. Step 5: Solve for x
    x = 13,889,811.80/5,409.37
  6. Step 6: Final answer
    x = 2,567.73

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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.