Home / 6,907.28-9,531.78-3,763.49

Finding the Fourth Proportional to 6,907.28, 9,531.78 and 3,763.49

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Solution

The fourth proportional to 6,907.28, 9,531.78 and 3,763.49 is: 5,193.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,907.28 : 9,531.78 = 3,763.49 : x
  2. Step 2: Convert to fraction form
    6,907.28/9,531.78 = 3,763.49/x
  3. Step 3: Cross multiply
    6,907.28x = 9,531.78 × 3,763.49
  4. Step 4: Simplify right side
    6,907.28x = 35,872,758.71
  5. Step 5: Solve for x
    x = 35,872,758.71/6,907.28
  6. Step 6: Final answer
    x = 5,193.47

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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.