Home / 5,156.12-7,110.06-3,059.84

Finding the Fourth Proportional to 5,156.12, 7,110.06 and 3,059.84

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Solution

The fourth proportional to 5,156.12, 7,110.06 and 3,059.84 is: 4,219.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,156.12 : 7,110.06 = 3,059.84 : x
  2. Step 2: Convert to fraction form
    5,156.12/7,110.06 = 3,059.84/x
  3. Step 3: Cross multiply
    5,156.12x = 7,110.06 × 3,059.84
  4. Step 4: Simplify right side
    5,156.12x = 21,755,635.86
  5. Step 5: Solve for x
    x = 21,755,635.86/5,156.12
  6. Step 6: Final answer
    x = 4,219.38

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Half scale
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Double scale
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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.