Home / 6,631.54-9,151.52-3,647.58

Finding the Fourth Proportional to 6,631.54, 9,151.52 and 3,647.58

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Solution

The fourth proportional to 6,631.54, 9,151.52 and 3,647.58 is: 5,033.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,631.54 : 9,151.52 = 3,647.58 : x
  2. Step 2: Convert to fraction form
    6,631.54/9,151.52 = 3,647.58/x
  3. Step 3: Cross multiply
    6,631.54x = 9,151.52 × 3,647.58
  4. Step 4: Simplify right side
    6,631.54x = 33,380,901.32
  5. Step 5: Solve for x
    x = 33,380,901.32/6,631.54
  6. Step 6: Final answer
    x = 5,033.66

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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.