Home / 5,822.75-8,735.65-2,128.07

Finding the Fourth Proportional to 5,822.75, 8,735.65 and 2,128.07

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Solution

The fourth proportional to 5,822.75, 8,735.65 and 2,128.07 is: 3,192.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,822.75 : 8,735.65 = 2,128.07 : x
  2. Step 2: Convert to fraction form
    5,822.75/8,735.65 = 2,128.07/x
  3. Step 3: Cross multiply
    5,822.75x = 8,735.65 × 2,128.07
  4. Step 4: Simplify right side
    5,822.75x = 18,590,091.21
  5. Step 5: Solve for x
    x = 18,590,091.21/5,822.75
  6. Step 6: Final answer
    x = 3,192.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.