Home / 5,258.39-7,256.28-3,020.21

Finding the Fourth Proportional to 5,258.39, 7,256.28 and 3,020.21

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Solution

The fourth proportional to 5,258.39, 7,256.28 and 3,020.21 is: 4,167.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,258.39 : 7,256.28 = 3,020.21 : x
  2. Step 2: Convert to fraction form
    5,258.39/7,256.28 = 3,020.21/x
  3. Step 3: Cross multiply
    5,258.39x = 7,256.28 × 3,020.21
  4. Step 4: Simplify right side
    5,258.39x = 21,915,453.14
  5. Step 5: Solve for x
    x = 21,915,453.14/5,258.39
  6. Step 6: Final answer
    x = 4,167.72

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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.