Home / 7,453.80-11,180.70-2,835.72

Finding the Fourth Proportional to 7,453.80, 11,180.70 and 2,835.72

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Solution

The fourth proportional to 7,453.80, 11,180.70 and 2,835.72 is: 4,253.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,453.80 : 11,180.70 = 2,835.72 : x
  2. Step 2: Convert to fraction form
    7,453.80/11,180.70 = 2,835.72/x
  3. Step 3: Cross multiply
    7,453.80x = 11,180.70 × 2,835.72
  4. Step 4: Simplify right side
    7,453.80x = 31,705,334.60
  5. Step 5: Solve for x
    x = 31,705,334.60/7,453.80
  6. Step 6: Final answer
    x = 4,253.58

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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.