Home / 5,187.83-7,156.89-3,197.66

Finding the Fourth Proportional to 5,187.83, 7,156.89 and 3,197.66

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Solution

The fourth proportional to 5,187.83, 7,156.89 and 3,197.66 is: 4,411.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187.83 : 7,156.89 = 3,197.66 : x
  2. Step 2: Convert to fraction form
    5,187.83/7,156.89 = 3,197.66/x
  3. Step 3: Cross multiply
    5,187.83x = 7,156.89 × 3,197.66
  4. Step 4: Simplify right side
    5,187.83x = 22,885,300.88
  5. Step 5: Solve for x
    x = 22,885,300.88/5,187.83
  6. Step 6: Final answer
    x = 4,411.34

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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.