Home / 5,438.09-7,504.73-3,080.24

Finding the Fourth Proportional to 5,438.09, 7,504.73 and 3,080.24

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Solution

The fourth proportional to 5,438.09, 7,504.73 and 3,080.24 is: 4,250.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438.09 : 7,504.73 = 3,080.24 : x
  2. Step 2: Convert to fraction form
    5,438.09/7,504.73 = 3,080.24/x
  3. Step 3: Cross multiply
    5,438.09x = 7,504.73 × 3,080.24
  4. Step 4: Simplify right side
    5,438.09x = 23,116,316.61
  5. Step 5: Solve for x
    x = 23,116,316.61/5,438.09
  6. Step 6: Final answer
    x = 4,250.81

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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.