Home / 6,853.87-9,458.32-3,710.05

Finding the Fourth Proportional to 6,853.87, 9,458.32 and 3,710.05

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Solution

The fourth proportional to 6,853.87, 9,458.32 and 3,710.05 is: 5,119.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,853.87 : 9,458.32 = 3,710.05 : x
  2. Step 2: Convert to fraction form
    6,853.87/9,458.32 = 3,710.05/x
  3. Step 3: Cross multiply
    6,853.87x = 9,458.32 × 3,710.05
  4. Step 4: Simplify right side
    6,853.87x = 35,090,840.12
  5. Step 5: Solve for x
    x = 35,090,840.12/6,853.87
  6. Step 6: Final answer
    x = 5,119.86

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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.