Home / 2,292.25-3,158.39-1,544.89

Finding the Fourth Proportional to 2,292.25, 3,158.39 and 1,544.89

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Solution

The fourth proportional to 2,292.25, 3,158.39 and 1,544.89 is: 2,128.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292.25 : 3,158.39 = 1,544.89 : x
  2. Step 2: Convert to fraction form
    2,292.25/3,158.39 = 1,544.89/x
  3. Step 3: Cross multiply
    2,292.25x = 3,158.39 × 1,544.89
  4. Step 4: Simplify right side
    2,292.25x = 4,879,365.13
  5. Step 5: Solve for x
    x = 4,879,365.13/2,292.25
  6. Step 6: Final answer
    x = 2,128.64

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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.