Home / 5,146.68-7,713.48-4,291.32

Finding the Fourth Proportional to 5,146.68, 7,713.48 and 4,291.32

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Solution

The fourth proportional to 5,146.68, 7,713.48 and 4,291.32 is: 6,431.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146.68 : 7,713.48 = 4,291.32 : x
  2. Step 2: Convert to fraction form
    5,146.68/7,713.48 = 4,291.32/x
  3. Step 3: Cross multiply
    5,146.68x = 7,713.48 × 4,291.32
  4. Step 4: Simplify right side
    5,146.68x = 33,101,010.99
  5. Step 5: Solve for x
    x = 33,101,010.99/5,146.68
  6. Step 6: Final answer
    x = 6,431.53

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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.