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Finding the Fourth Proportional to 2,798.96, 4,197.69 and 950.00

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Solution

The fourth proportional to 2,798.96, 4,197.69 and 950.00 is: 1,424.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798.96 : 4,197.69 = 950.00 : x
  2. Step 2: Convert to fraction form
    2,798.96/4,197.69 = 950.00/x
  3. Step 3: Cross multiply
    2,798.96x = 4,197.69 × 950.00
  4. Step 4: Simplify right side
    2,798.96x = 3,987,784.51
  5. Step 5: Solve for x
    x = 3,987,784.51/2,798.96
  6. Step 6: Final answer
    x = 1,424.74

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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.