Home / 5,150.03-7,100.16-4,091.31

Finding the Fourth Proportional to 5,150.03, 7,100.16 and 4,091.31

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Solution

The fourth proportional to 5,150.03, 7,100.16 and 4,091.31 is: 5,640.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,150.03 : 7,100.16 = 4,091.31 : x
  2. Step 2: Convert to fraction form
    5,150.03/7,100.16 = 4,091.31/x
  3. Step 3: Cross multiply
    5,150.03x = 7,100.16 × 4,091.31
  4. Step 4: Simplify right side
    5,150.03x = 29,048,920.11
  5. Step 5: Solve for x
    x = 29,048,920.11/5,150.03
  6. Step 6: Final answer
    x = 5,640.54

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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.