Home / 4,128.57-5,698.49-2,555.82

Finding the Fourth Proportional to 4,128.57, 5,698.49 and 2,555.82

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Solution

The fourth proportional to 4,128.57, 5,698.49 and 2,555.82 is: 3,527.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.57 : 5,698.49 = 2,555.82 : x
  2. Step 2: Convert to fraction form
    4,128.57/5,698.49 = 2,555.82/x
  3. Step 3: Cross multiply
    4,128.57x = 5,698.49 × 2,555.82
  4. Step 4: Simplify right side
    4,128.57x = 14,564,301.93
  5. Step 5: Solve for x
    x = 14,564,301.93/4,128.57
  6. Step 6: Final answer
    x = 3,527.69

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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.