Home / 5,259.20-7,257.38-2,901.33

Finding the Fourth Proportional to 5,259.20, 7,257.38 and 2,901.33

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Solution

The fourth proportional to 5,259.20, 7,257.38 and 2,901.33 is: 4,003.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259.20 : 7,257.38 = 2,901.33 : x
  2. Step 2: Convert to fraction form
    5,259.20/7,257.38 = 2,901.33/x
  3. Step 3: Cross multiply
    5,259.20x = 7,257.38 × 2,901.33
  4. Step 4: Simplify right side
    5,259.20x = 21,056,039.81
  5. Step 5: Solve for x
    x = 21,056,039.81/5,259.20
  6. Step 6: Final answer
    x = 4,003.66

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Half scale
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Double 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.