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Finding the Fourth Proportional to 5,041.43, 6,958.62 and 2,918.40

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Solution

The fourth proportional to 5,041.43, 6,958.62 and 2,918.40 is: 4,028.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,041.43 : 6,958.62 = 2,918.40 : x
  2. Step 2: Convert to fraction form
    5,041.43/6,958.62 = 2,918.40/x
  3. Step 3: Cross multiply
    5,041.43x = 6,958.62 × 2,918.40
  4. Step 4: Simplify right side
    5,041.43x = 20,308,036.61
  5. Step 5: Solve for x
    x = 20,308,036.61/5,041.43
  6. Step 6: Final answer
    x = 4,028.23

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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.