Home / 5,197.26-7,178.16-3,436.68

Finding the Fourth Proportional to 5,197.26, 7,178.16 and 3,436.68

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Solution

The fourth proportional to 5,197.26, 7,178.16 and 3,436.68 is: 4,746.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,197.26 : 7,178.16 = 3,436.68 : x
  2. Step 2: Convert to fraction form
    5,197.26/7,178.16 = 3,436.68/x
  3. Step 3: Cross multiply
    5,197.26x = 7,178.16 × 3,436.68
  4. Step 4: Simplify right side
    5,197.26x = 24,669,038.91
  5. Step 5: Solve for x
    x = 24,669,038.91/5,197.26
  6. Step 6: Final answer
    x = 4,746.55

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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.