Home / 7,382.90-10,188.27-4,025.75

Finding the Fourth Proportional to 7,382.90, 10,188.27 and 4,025.75

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Solution

The fourth proportional to 7,382.90, 10,188.27 and 4,025.75 is: 5,555.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.90 : 10,188.27 = 4,025.75 : x
  2. Step 2: Convert to fraction form
    7,382.90/10,188.27 = 4,025.75/x
  3. Step 3: Cross multiply
    7,382.90x = 10,188.27 × 4,025.75
  4. Step 4: Simplify right side
    7,382.90x = 41,015,377.01
  5. Step 5: Solve for x
    x = 41,015,377.01/7,382.90
  6. Step 6: Final answer
    x = 5,555.45

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Half scale
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Double scale
Find fourth proportional to 7,383.90, 10,189.65 and 4,026.75
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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.