Home / 4,278.56-5,904.24-2,415.68

Finding the Fourth Proportional to 4,278.56, 5,904.24 and 2,415.68

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Solution

The fourth proportional to 4,278.56, 5,904.24 and 2,415.68 is: 3,333.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.56 : 5,904.24 = 2,415.68 : x
  2. Step 2: Convert to fraction form
    4,278.56/5,904.24 = 2,415.68/x
  3. Step 3: Cross multiply
    4,278.56x = 5,904.24 × 2,415.68
  4. Step 4: Simplify right side
    4,278.56x = 14,262,754.48
  5. Step 5: Solve for x
    x = 14,262,754.48/4,278.56
  6. Step 6: Final answer
    x = 3,333.54

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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.