Home / 4,178.16-5,765.86-2,499.64

Finding the Fourth Proportional to 4,178.16, 5,765.86 and 2,499.64

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Solution

The fourth proportional to 4,178.16, 5,765.86 and 2,499.64 is: 3,449.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.16 : 5,765.86 = 2,499.64 : x
  2. Step 2: Convert to fraction form
    4,178.16/5,765.86 = 2,499.64/x
  3. Step 3: Cross multiply
    4,178.16x = 5,765.86 × 2,499.64
  4. Step 4: Simplify right side
    4,178.16x = 14,412,532.96
  5. Step 5: Solve for x
    x = 14,412,532.96/4,178.16
  6. Step 6: Final answer
    x = 3,449.50

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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.