Home / 7,431.55-11,146.65-2,500.54

Finding the Fourth Proportional to 7,431.55, 11,146.65 and 2,500.54

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Solution

The fourth proportional to 7,431.55, 11,146.65 and 2,500.54 is: 3,750.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.55 : 11,146.65 = 2,500.54 : x
  2. Step 2: Convert to fraction form
    7,431.55/11,146.65 = 2,500.54/x
  3. Step 3: Cross multiply
    7,431.55x = 11,146.65 × 2,500.54
  4. Step 4: Simplify right side
    7,431.55x = 27,872,644.19
  5. Step 5: Solve for x
    x = 27,872,644.19/7,431.55
  6. Step 6: Final answer
    x = 3,750.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.