Home / 3,955.14-5,458.32-2,383.47

Finding the Fourth Proportional to 3,955.14, 5,458.32 and 2,383.47

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Solution

The fourth proportional to 3,955.14, 5,458.32 and 2,383.47 is: 3,289.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.14 : 5,458.32 = 2,383.47 : x
  2. Step 2: Convert to fraction form
    3,955.14/5,458.32 = 2,383.47/x
  3. Step 3: Cross multiply
    3,955.14x = 5,458.32 × 2,383.47
  4. Step 4: Simplify right side
    3,955.14x = 13,009,741.97
  5. Step 5: Solve for x
    x = 13,009,741.97/3,955.14
  6. Step 6: Final answer
    x = 3,289.33

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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.