Home / 4,278.24-5,904.96-2,705.76

Finding the Fourth Proportional to 4,278.24, 5,904.96 and 2,705.76

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Solution

The fourth proportional to 4,278.24, 5,904.96 and 2,705.76 is: 3,734.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.24 : 5,904.96 = 2,705.76 : x
  2. Step 2: Convert to fraction form
    4,278.24/5,904.96 = 2,705.76/x
  3. Step 3: Cross multiply
    4,278.24x = 5,904.96 × 2,705.76
  4. Step 4: Simplify right side
    4,278.24x = 15,977,404.57
  5. Step 5: Solve for x
    x = 15,977,404.57/4,278.24
  6. Step 6: Final answer
    x = 3,734.57

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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.