Home / 5,212.84-7,182.66-4,578.52

Finding the Fourth Proportional to 5,212.84, 7,182.66 and 4,578.52

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Solution

The fourth proportional to 5,212.84, 7,182.66 and 4,578.52 is: 6,308.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.84 : 7,182.66 = 4,578.52 : x
  2. Step 2: Convert to fraction form
    5,212.84/7,182.66 = 4,578.52/x
  3. Step 3: Cross multiply
    5,212.84x = 7,182.66 × 4,578.52
  4. Step 4: Simplify right side
    5,212.84x = 32,885,952.46
  5. Step 5: Solve for x
    x = 32,885,952.46/5,212.84
  6. Step 6: Final answer
    x = 6,308.64

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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.