Home / 6,762.78-9,329.67-3,967.02

Finding the Fourth Proportional to 6,762.78, 9,329.67 and 3,967.02

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Solution

The fourth proportional to 6,762.78, 9,329.67 and 3,967.02 is: 5,472.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,762.78 : 9,329.67 = 3,967.02 : x
  2. Step 2: Convert to fraction form
    6,762.78/9,329.67 = 3,967.02/x
  3. Step 3: Cross multiply
    6,762.78x = 9,329.67 × 3,967.02
  4. Step 4: Simplify right side
    6,762.78x = 37,010,987.48
  5. Step 5: Solve for x
    x = 37,010,987.48/6,762.78
  6. Step 6: Final answer
    x = 5,472.75

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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.