Home / 7,066.90-9,752.44-3,880.49

Finding the Fourth Proportional to 7,066.90, 9,752.44 and 3,880.49

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Solution

The fourth proportional to 7,066.90, 9,752.44 and 3,880.49 is: 5,355.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,066.90 : 9,752.44 = 3,880.49 : x
  2. Step 2: Convert to fraction form
    7,066.90/9,752.44 = 3,880.49/x
  3. Step 3: Cross multiply
    7,066.90x = 9,752.44 × 3,880.49
  4. Step 4: Simplify right side
    7,066.90x = 37,844,245.90
  5. Step 5: Solve for x
    x = 37,844,245.90/7,066.90
  6. Step 6: Final answer
    x = 5,355.14

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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.