Home / 7,258.77-10,016.60-4,115.43

Finding the Fourth Proportional to 7,258.77, 10,016.60 and 4,115.43

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Solution

The fourth proportional to 7,258.77, 10,016.60 and 4,115.43 is: 5,679.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,258.77 : 10,016.60 = 4,115.43 : x
  2. Step 2: Convert to fraction form
    7,258.77/10,016.60 = 4,115.43/x
  3. Step 3: Cross multiply
    7,258.77x = 10,016.60 × 4,115.43
  4. Step 4: Simplify right side
    7,258.77x = 41,222,595.56
  5. Step 5: Solve for x
    x = 41,222,595.56/7,258.77
  6. Step 6: Final answer
    x = 5,679.01

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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.