Home / 5,187.22-7,775.76-2,066.28

Finding the Fourth Proportional to 5,187.22, 7,775.76 and 2,066.28

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Solution

The fourth proportional to 5,187.22, 7,775.76 and 2,066.28 is: 3,097.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187.22 : 7,775.76 = 2,066.28 : x
  2. Step 2: Convert to fraction form
    5,187.22/7,775.76 = 2,066.28/x
  3. Step 3: Cross multiply
    5,187.22x = 7,775.76 × 2,066.28
  4. Step 4: Simplify right side
    5,187.22x = 16,066,897.37
  5. Step 5: Solve for x
    x = 16,066,897.37/5,187.22
  6. Step 6: Final answer
    x = 3,097.40

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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.