Home / 4,555.31-6,286.21-2,565.74

Finding the Fourth Proportional to 4,555.31, 6,286.21 and 2,565.74

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Solution

The fourth proportional to 4,555.31, 6,286.21 and 2,565.74 is: 3,540.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,555.31 : 6,286.21 = 2,565.74 : x
  2. Step 2: Convert to fraction form
    4,555.31/6,286.21 = 2,565.74/x
  3. Step 3: Cross multiply
    4,555.31x = 6,286.21 × 2,565.74
  4. Step 4: Simplify right side
    4,555.31x = 16,128,789.75
  5. Step 5: Solve for x
    x = 16,128,789.75/4,555.31
  6. Step 6: Final answer
    x = 3,540.66

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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.