Home / 7,931.58-11,897.49-3,003.54

Finding the Fourth Proportional to 7,931.58, 11,897.49 and 3,003.54

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Solution

The fourth proportional to 7,931.58, 11,897.49 and 3,003.54 is: 4,505.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931.58 : 11,897.49 = 3,003.54 : x
  2. Step 2: Convert to fraction form
    7,931.58/11,897.49 = 3,003.54/x
  3. Step 3: Cross multiply
    7,931.58x = 11,897.49 × 3,003.54
  4. Step 4: Simplify right side
    7,931.58x = 35,734,587.11
  5. Step 5: Solve for x
    x = 35,734,587.11/7,931.58
  6. Step 6: Final answer
    x = 4,505.36

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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.