Home / 6,674.90-9,210.56-3,690.33

Finding the Fourth Proportional to 6,674.90, 9,210.56 and 3,690.33

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Solution

The fourth proportional to 6,674.90, 9,210.56 and 3,690.33 is: 5,092.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,674.90 : 9,210.56 = 3,690.33 : x
  2. Step 2: Convert to fraction form
    6,674.90/9,210.56 = 3,690.33/x
  3. Step 3: Cross multiply
    6,674.90x = 9,210.56 × 3,690.33
  4. Step 4: Simplify right side
    6,674.90x = 33,989,987.43
  5. Step 5: Solve for x
    x = 33,989,987.43/6,674.90
  6. Step 6: Final answer
    x = 5,092.21

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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.