Home / 5,133.43-7,084.13-2,775.57

Finding the Fourth Proportional to 5,133.43, 7,084.13 and 2,775.57

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Solution

The fourth proportional to 5,133.43, 7,084.13 and 2,775.57 is: 3,830.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.43 : 7,084.13 = 2,775.57 : x
  2. Step 2: Convert to fraction form
    5,133.43/7,084.13 = 2,775.57/x
  3. Step 3: Cross multiply
    5,133.43x = 7,084.13 × 2,775.57
  4. Step 4: Simplify right side
    5,133.43x = 19,662,498.70
  5. Step 5: Solve for x
    x = 19,662,498.70/5,133.43
  6. Step 6: Final answer
    x = 3,830.28

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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.