Home / 5,224.10-7,209.24-3,128.22

Finding the Fourth Proportional to 5,224.10, 7,209.24 and 3,128.22

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Solution

The fourth proportional to 5,224.10, 7,209.24 and 3,128.22 is: 4,316.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,224.10 : 7,209.24 = 3,128.22 : x
  2. Step 2: Convert to fraction form
    5,224.10/7,209.24 = 3,128.22/x
  3. Step 3: Cross multiply
    5,224.10x = 7,209.24 × 3,128.22
  4. Step 4: Simplify right side
    5,224.10x = 22,552,077.02
  5. Step 5: Solve for x
    x = 22,552,077.02/5,224.10
  6. Step 6: Final answer
    x = 4,316.93

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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.