Home / 5,395.94-7,450.62-4,220.36

Finding the Fourth Proportional to 5,395.94, 7,450.62 and 4,220.36

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Solution

The fourth proportional to 5,395.94, 7,450.62 and 4,220.36 is: 5,827.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,395.94 : 7,450.62 = 4,220.36 : x
  2. Step 2: Convert to fraction form
    5,395.94/7,450.62 = 4,220.36/x
  3. Step 3: Cross multiply
    5,395.94x = 7,450.62 × 4,220.36
  4. Step 4: Simplify right side
    5,395.94x = 31,444,298.62
  5. Step 5: Solve for x
    x = 31,444,298.62/5,395.94
  6. Step 6: Final answer
    x = 5,827.40

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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.