Home / 7,440.75-10,268.22-4,083.63

Finding the Fourth Proportional to 7,440.75, 10,268.22 and 4,083.63

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Solution

The fourth proportional to 7,440.75, 10,268.22 and 4,083.63 is: 5,635.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,440.75 : 10,268.22 = 4,083.63 : x
  2. Step 2: Convert to fraction form
    7,440.75/10,268.22 = 4,083.63/x
  3. Step 3: Cross multiply
    7,440.75x = 10,268.22 × 4,083.63
  4. Step 4: Simplify right side
    7,440.75x = 41,931,611.24
  5. Step 5: Solve for x
    x = 41,931,611.24/7,440.75
  6. Step 6: Final answer
    x = 5,635.40

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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.