Home / 5,196.32-7,794.25-1,909.17

Finding the Fourth Proportional to 5,196.32, 7,794.25 and 1,909.17

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Solution

The fourth proportional to 5,196.32, 7,794.25 and 1,909.17 is: 2,863.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,196.32 : 7,794.25 = 1,909.17 : x
  2. Step 2: Convert to fraction form
    5,196.32/7,794.25 = 1,909.17/x
  3. Step 3: Cross multiply
    5,196.32x = 7,794.25 × 1,909.17
  4. Step 4: Simplify right side
    5,196.32x = 14,880,558.21
  5. Step 5: Solve for x
    x = 14,880,558.21/5,196.32
  6. Step 6: Final answer
    x = 2,863.67

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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.