Home / 7,431.65-10,255.66-4,074.58

Finding the Fourth Proportional to 7,431.65, 10,255.66 and 4,074.58

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Solution

The fourth proportional to 7,431.65, 10,255.66 and 4,074.58 is: 5,622.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.65 : 10,255.66 = 4,074.58 : x
  2. Step 2: Convert to fraction form
    7,431.65/10,255.66 = 4,074.58/x
  3. Step 3: Cross multiply
    7,431.65x = 10,255.66 × 4,074.58
  4. Step 4: Simplify right side
    7,431.65x = 41,787,471.30
  5. Step 5: Solve for x
    x = 41,787,471.30/7,431.65
  6. Step 6: Final answer
    x = 5,622.91

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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.