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Finding the Fourth Proportional to 2,393.71, 3,304.92 and 2,140.84

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Solution

The fourth proportional to 2,393.71, 3,304.92 and 2,140.84 is: 2,955.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,393.71 : 3,304.92 = 2,140.84 : x
  2. Step 2: Convert to fraction form
    2,393.71/3,304.92 = 2,140.84/x
  3. Step 3: Cross multiply
    2,393.71x = 3,304.92 × 2,140.84
  4. Step 4: Simplify right side
    2,393.71x = 7,075,304.93
  5. Step 5: Solve for x
    x = 7,075,304.93/2,393.71
  6. Step 6: Final answer
    x = 2,955.79

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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.