Home / 5,021.22-6,929.18-2,783.07

Finding the Fourth Proportional to 5,021.22, 6,929.18 and 2,783.07

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Solution

The fourth proportional to 5,021.22, 6,929.18 and 2,783.07 is: 3,840.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.22 : 6,929.18 = 2,783.07 : x
  2. Step 2: Convert to fraction form
    5,021.22/6,929.18 = 2,783.07/x
  3. Step 3: Cross multiply
    5,021.22x = 6,929.18 × 2,783.07
  4. Step 4: Simplify right side
    5,021.22x = 19,284,379.07
  5. Step 5: Solve for x
    x = 19,284,379.07/5,021.22
  6. Step 6: Final answer
    x = 3,840.58

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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.