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Finding the Fourth Proportional to 2,867.93, 3,957.23 and 1,925.09

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Solution

The fourth proportional to 2,867.93, 3,957.23 and 1,925.09 is: 2,656.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.93 : 3,957.23 = 1,925.09 : x
  2. Step 2: Convert to fraction form
    2,867.93/3,957.23 = 1,925.09/x
  3. Step 3: Cross multiply
    2,867.93x = 3,957.23 × 1,925.09
  4. Step 4: Simplify right side
    2,867.93x = 7,618,014.28
  5. Step 5: Solve for x
    x = 7,618,014.28/2,867.93
  6. Step 6: Final answer
    x = 2,656.28

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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.