Home / 7,181.64-9,910.58-4,037.76

Finding the Fourth Proportional to 7,181.64, 9,910.58 and 4,037.76

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Solution

The fourth proportional to 7,181.64, 9,910.58 and 4,037.76 is: 5,572.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,181.64 : 9,910.58 = 4,037.76 : x
  2. Step 2: Convert to fraction form
    7,181.64/9,910.58 = 4,037.76/x
  3. Step 3: Cross multiply
    7,181.64x = 9,910.58 × 4,037.76
  4. Step 4: Simplify right side
    7,181.64x = 40,016,543.50
  5. Step 5: Solve for x
    x = 40,016,543.50/7,181.64
  6. Step 6: Final answer
    x = 5,572.06

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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.