Home / 5,724.80-7,896.58-3,710.84

Finding the Fourth Proportional to 5,724.80, 7,896.58 and 3,710.84

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Solution

The fourth proportional to 5,724.80, 7,896.58 and 3,710.84 is: 5,118.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,724.80 : 7,896.58 = 3,710.84 : x
  2. Step 2: Convert to fraction form
    5,724.80/7,896.58 = 3,710.84/x
  3. Step 3: Cross multiply
    5,724.80x = 7,896.58 × 3,710.84
  4. Step 4: Simplify right side
    5,724.80x = 29,302,944.93
  5. Step 5: Solve for x
    x = 29,302,944.93/5,724.80
  6. Step 6: Final answer
    x = 5,118.60

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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.