Home / 5,438.07-7,504.52-3,080.43

Finding the Fourth Proportional to 5,438.07, 7,504.52 and 3,080.43

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Solution

The fourth proportional to 5,438.07, 7,504.52 and 3,080.43 is: 4,250.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438.07 : 7,504.52 = 3,080.43 : x
  2. Step 2: Convert to fraction form
    5,438.07/7,504.52 = 3,080.43/x
  3. Step 3: Cross multiply
    5,438.07x = 7,504.52 × 3,080.43
  4. Step 4: Simplify right side
    5,438.07x = 23,117,133.14
  5. Step 5: Solve for x
    x = 23,117,133.14/5,438.07
  6. Step 6: Final answer
    x = 4,250.98

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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.