Home / 7,431.93-10,255.93-4,074.77

Finding the Fourth Proportional to 7,431.93, 10,255.93 and 4,074.77

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Solution

The fourth proportional to 7,431.93, 10,255.93 and 4,074.77 is: 5,623.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.93 : 10,255.93 = 4,074.77 : x
  2. Step 2: Convert to fraction form
    7,431.93/10,255.93 = 4,074.77/x
  3. Step 3: Cross multiply
    7,431.93x = 10,255.93 × 4,074.77
  4. Step 4: Simplify right side
    7,431.93x = 41,790,571.34
  5. Step 5: Solve for x
    x = 41,790,571.34/7,431.93
  6. Step 6: Final answer
    x = 5,623.11

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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.