Home / 5,214.88-7,191.86-3,448.28

Finding the Fourth Proportional to 5,214.88, 7,191.86 and 3,448.28

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Solution

The fourth proportional to 5,214.88, 7,191.86 and 3,448.28 is: 4,755.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214.88 : 7,191.86 = 3,448.28 : x
  2. Step 2: Convert to fraction form
    5,214.88/7,191.86 = 3,448.28/x
  3. Step 3: Cross multiply
    5,214.88x = 7,191.86 × 3,448.28
  4. Step 4: Simplify right side
    5,214.88x = 24,799,547.00
  5. Step 5: Solve for x
    x = 24,799,547.00/5,214.88
  6. Step 6: Final answer
    x = 4,755.54

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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.