Home / 5,397.94-7,453.38-4,222.36

Finding the Fourth Proportional to 5,397.94, 7,453.38 and 4,222.36

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Solution

The fourth proportional to 5,397.94, 7,453.38 and 4,222.36 is: 5,830.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,397.94 : 7,453.38 = 4,222.36 : x
  2. Step 2: Convert to fraction form
    5,397.94/7,453.38 = 4,222.36/x
  3. Step 3: Cross multiply
    5,397.94x = 7,453.38 × 4,222.36
  4. Step 4: Simplify right side
    5,397.94x = 31,470,853.58
  5. Step 5: Solve for x
    x = 31,470,853.58/5,397.94
  6. Step 6: Final answer
    x = 5,830.16

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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.