Home / 7,330.15-10,120.20-5,648.37

Finding the Fourth Proportional to 7,330.15, 10,120.20 and 5,648.37

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Solution

The fourth proportional to 7,330.15, 10,120.20 and 5,648.37 is: 7,798.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,330.15 : 10,120.20 = 5,648.37 : x
  2. Step 2: Convert to fraction form
    7,330.15/10,120.20 = 5,648.37/x
  3. Step 3: Cross multiply
    7,330.15x = 10,120.20 × 5,648.37
  4. Step 4: Simplify right side
    7,330.15x = 57,162,634.07
  5. Step 5: Solve for x
    x = 57,162,634.07/7,330.15
  6. Step 6: Final answer
    x = 7,798.29

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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.