Home / 4,222.72-5,827.36-2,334.40

Finding the Fourth Proportional to 4,222.72, 5,827.36 and 2,334.40

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Solution

The fourth proportional to 4,222.72, 5,827.36 and 2,334.40 is: 3,221.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,222.72 : 5,827.36 = 2,334.40 : x
  2. Step 2: Convert to fraction form
    4,222.72/5,827.36 = 2,334.40/x
  3. Step 3: Cross multiply
    4,222.72x = 5,827.36 × 2,334.40
  4. Step 4: Simplify right side
    4,222.72x = 13,603,389.18
  5. Step 5: Solve for x
    x = 13,603,389.18/4,222.72
  6. Step 6: Final answer
    x = 3,221.48

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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.