Home / 5,492.49-7,578.32-3,102.51

Finding the Fourth Proportional to 5,492.49, 7,578.32 and 3,102.51

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Solution

The fourth proportional to 5,492.49, 7,578.32 and 3,102.51 is: 4,280.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,492.49 : 7,578.32 = 3,102.51 : x
  2. Step 2: Convert to fraction form
    5,492.49/7,578.32 = 3,102.51/x
  3. Step 3: Cross multiply
    5,492.49x = 7,578.32 × 3,102.51
  4. Step 4: Simplify right side
    5,492.49x = 23,511,775.69
  5. Step 5: Solve for x
    x = 23,511,775.69/5,492.49
  6. Step 6: Final answer
    x = 4,280.72

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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.