Home / 5,455.77-7,528.62-3,066.06

Finding the Fourth Proportional to 5,455.77, 7,528.62 and 3,066.06

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Solution

The fourth proportional to 5,455.77, 7,528.62 and 3,066.06 is: 4,230.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.77 : 7,528.62 = 3,066.06 : x
  2. Step 2: Convert to fraction form
    5,455.77/7,528.62 = 3,066.06/x
  3. Step 3: Cross multiply
    5,455.77x = 7,528.62 × 3,066.06
  4. Step 4: Simplify right side
    5,455.77x = 23,083,200.64
  5. Step 5: Solve for x
    x = 23,083,200.64/5,455.77
  6. Step 6: Final answer
    x = 4,230.97

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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.