Home / 5,265.43-7,265.94-2,907.64

Finding the Fourth Proportional to 5,265.43, 7,265.94 and 2,907.64

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Solution

The fourth proportional to 5,265.43, 7,265.94 and 2,907.64 is: 4,012.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265.43 : 7,265.94 = 2,907.64 : x
  2. Step 2: Convert to fraction form
    5,265.43/7,265.94 = 2,907.64/x
  3. Step 3: Cross multiply
    5,265.43x = 7,265.94 × 2,907.64
  4. Step 4: Simplify right side
    5,265.43x = 21,126,737.78
  5. Step 5: Solve for x
    x = 21,126,737.78/5,265.43
  6. Step 6: Final answer
    x = 4,012.35

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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.