Home / 5,196.31-7,794.23-1,909.16

Finding the Fourth Proportional to 5,196.31, 7,794.23 and 1,909.16

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Solution

The fourth proportional to 5,196.31, 7,794.23 and 1,909.16 is: 2,863.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,196.31 : 7,794.23 = 1,909.16 : x
  2. Step 2: Convert to fraction form
    5,196.31/7,794.23 = 1,909.16/x
  3. Step 3: Cross multiply
    5,196.31x = 7,794.23 × 1,909.16
  4. Step 4: Simplify right side
    5,196.31x = 14,880,472.81
  5. Step 5: Solve for x
    x = 14,880,472.81/5,196.31
  6. Step 6: Final answer
    x = 2,863.66

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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.