Home / 5,405.94-7,456.53-3,414.81

Finding the Fourth Proportional to 5,405.94, 7,456.53 and 3,414.81

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Solution

The fourth proportional to 5,405.94, 7,456.53 and 3,414.81 is: 4,710.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405.94 : 7,456.53 = 3,414.81 : x
  2. Step 2: Convert to fraction form
    5,405.94/7,456.53 = 3,414.81/x
  3. Step 3: Cross multiply
    5,405.94x = 7,456.53 × 3,414.81
  4. Step 4: Simplify right side
    5,405.94x = 25,462,633.21
  5. Step 5: Solve for x
    x = 25,462,633.21/5,405.94
  6. Step 6: Final answer
    x = 4,710.12

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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.