Home / 7,338.02-11,010.57-3,640.58

Finding the Fourth Proportional to 7,338.02, 11,010.57 and 3,640.58

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Solution

The fourth proportional to 7,338.02, 11,010.57 and 3,640.58 is: 5,462.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338.02 : 11,010.57 = 3,640.58 : x
  2. Step 2: Convert to fraction form
    7,338.02/11,010.57 = 3,640.58/x
  3. Step 3: Cross multiply
    7,338.02x = 11,010.57 × 3,640.58
  4. Step 4: Simplify right side
    7,338.02x = 40,084,860.93
  5. Step 5: Solve for x
    x = 40,084,860.93/7,338.02
  6. Step 6: Final answer
    x = 5,462.63

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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.