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Finding the Fourth Proportional to 3,368.51, 5,053.57 and 1,698.54

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Solution

The fourth proportional to 3,368.51, 5,053.57 and 1,698.54 is: 2,548.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.51 : 5,053.57 = 1,698.54 : x
  2. Step 2: Convert to fraction form
    3,368.51/5,053.57 = 1,698.54/x
  3. Step 3: Cross multiply
    3,368.51x = 5,053.57 × 1,698.54
  4. Step 4: Simplify right side
    3,368.51x = 8,583,690.79
  5. Step 5: Solve for x
    x = 8,583,690.79/3,368.51
  6. Step 6: Final answer
    x = 2,548.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.