Home / 5,357.73-7,395.24-3,120.60

Finding the Fourth Proportional to 5,357.73, 7,395.24 and 3,120.60

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Solution

The fourth proportional to 5,357.73, 7,395.24 and 3,120.60 is: 4,307.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,357.73 : 7,395.24 = 3,120.60 : x
  2. Step 2: Convert to fraction form
    5,357.73/7,395.24 = 3,120.60/x
  3. Step 3: Cross multiply
    5,357.73x = 7,395.24 × 3,120.60
  4. Step 4: Simplify right side
    5,357.73x = 23,077,585.94
  5. Step 5: Solve for x
    x = 23,077,585.94/5,357.73
  6. Step 6: Final answer
    x = 4,307.34

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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.