Home / 6,687.49-9,228.84-3,703.32

Finding the Fourth Proportional to 6,687.49, 9,228.84 and 3,703.32

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Solution

The fourth proportional to 6,687.49, 9,228.84 and 3,703.32 is: 5,110.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,687.49 : 9,228.84 = 3,703.32 : x
  2. Step 2: Convert to fraction form
    6,687.49/9,228.84 = 3,703.32/x
  3. Step 3: Cross multiply
    6,687.49x = 9,228.84 × 3,703.32
  4. Step 4: Simplify right side
    6,687.49x = 34,177,329.23
  5. Step 5: Solve for x
    x = 34,177,329.23/6,687.49
  6. Step 6: Final answer
    x = 5,110.64

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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.