Home / 5,259.72-7,258.40-2,901.85

Finding the Fourth Proportional to 5,259.72, 7,258.40 and 2,901.85

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Solution

The fourth proportional to 5,259.72, 7,258.40 and 2,901.85 is: 4,004.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259.72 : 7,258.40 = 2,901.85 : x
  2. Step 2: Convert to fraction form
    5,259.72/7,258.40 = 2,901.85/x
  3. Step 3: Cross multiply
    5,259.72x = 7,258.40 × 2,901.85
  4. Step 4: Simplify right side
    5,259.72x = 21,062,755.38
  5. Step 5: Solve for x
    x = 21,062,755.38/5,259.72
  6. Step 6: Final answer
    x = 4,004.54

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Half scale
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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.