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Finding the Fourth Proportional to 1,651.74, 2,280.18 and 952.98

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Solution

The fourth proportional to 1,651.74, 2,280.18 and 952.98 is: 1,315.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,651.74 : 2,280.18 = 952.98 : x
  2. Step 2: Convert to fraction form
    1,651.74/2,280.18 = 952.98/x
  3. Step 3: Cross multiply
    1,651.74x = 2,280.18 × 952.98
  4. Step 4: Simplify right side
    1,651.74x = 2,172,965.94
  5. Step 5: Solve for x
    x = 2,172,965.94/1,651.74
  6. Step 6: Final answer
    x = 1,315.56

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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.