Home / 5,066.60-6,991.23-2,828.15

Finding the Fourth Proportional to 5,066.60, 6,991.23 and 2,828.15

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Solution

The fourth proportional to 5,066.60, 6,991.23 and 2,828.15 is: 3,902.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,066.60 : 6,991.23 = 2,828.15 : x
  2. Step 2: Convert to fraction form
    5,066.60/6,991.23 = 2,828.15/x
  3. Step 3: Cross multiply
    5,066.60x = 6,991.23 × 2,828.15
  4. Step 4: Simplify right side
    5,066.60x = 19,772,247.12
  5. Step 5: Solve for x
    x = 19,772,247.12/5,066.60
  6. Step 6: Final answer
    x = 3,902.47

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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.