Home / 5,013.36-7,515.72-2,825.28

Finding the Fourth Proportional to 5,013.36, 7,515.72 and 2,825.28

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Solution

The fourth proportional to 5,013.36, 7,515.72 and 2,825.28 is: 4,235.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,013.36 : 7,515.72 = 2,825.28 : x
  2. Step 2: Convert to fraction form
    5,013.36/7,515.72 = 2,825.28/x
  3. Step 3: Cross multiply
    5,013.36x = 7,515.72 × 2,825.28
  4. Step 4: Simplify right side
    5,013.36x = 21,234,013.40
  5. Step 5: Solve for x
    x = 21,234,013.40/5,013.36
  6. Step 6: Final answer
    x = 4,235.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.