Home / 5,133.29-7,083.95-2,775.44

Finding the Fourth Proportional to 5,133.29, 7,083.95 and 2,775.44

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Solution

The fourth proportional to 5,133.29, 7,083.95 and 2,775.44 is: 3,830.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.29 : 7,083.95 = 2,775.44 : x
  2. Step 2: Convert to fraction form
    5,133.29/7,083.95 = 2,775.44/x
  3. Step 3: Cross multiply
    5,133.29x = 7,083.95 × 2,775.44
  4. Step 4: Simplify right side
    5,133.29x = 19,661,028.89
  5. Step 5: Solve for x
    x = 19,661,028.89/5,133.29
  6. Step 6: Final answer
    x = 3,830.11

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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.