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Finding the Fourth Proportional to 3,628.53, 5,007.02 and 2,055.51

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Solution

The fourth proportional to 3,628.53, 5,007.02 and 2,055.51 is: 2,836.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,628.53 : 5,007.02 = 2,055.51 : x
  2. Step 2: Convert to fraction form
    3,628.53/5,007.02 = 2,055.51/x
  3. Step 3: Cross multiply
    3,628.53x = 5,007.02 × 2,055.51
  4. Step 4: Simplify right side
    3,628.53x = 10,291,969.40
  5. Step 5: Solve for x
    x = 10,291,969.40/3,628.53
  6. Step 6: Final answer
    x = 2,836.40

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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.