Home / 6,631.38-9,152.19-4,280.37

Finding the Fourth Proportional to 6,631.38, 9,152.19 and 4,280.37

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Solution

The fourth proportional to 6,631.38, 9,152.19 and 4,280.37 is: 5,907.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,631.38 : 9,152.19 = 4,280.37 : x
  2. Step 2: Convert to fraction form
    6,631.38/9,152.19 = 4,280.37/x
  3. Step 3: Cross multiply
    6,631.38x = 9,152.19 × 4,280.37
  4. Step 4: Simplify right side
    6,631.38x = 39,174,759.51
  5. Step 5: Solve for x
    x = 39,174,759.51/6,631.38
  6. Step 6: Final answer
    x = 5,907.48

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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.