Home / 2,853.00-3,935.06-1,907.13

Finding the Fourth Proportional to 2,853.00, 3,935.06 and 1,907.13

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Solution

The fourth proportional to 2,853.00, 3,935.06 and 1,907.13 is: 2,630.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853.00 : 3,935.06 = 1,907.13 : x
  2. Step 2: Convert to fraction form
    2,853.00/3,935.06 = 1,907.13/x
  3. Step 3: Cross multiply
    2,853.00x = 3,935.06 × 1,907.13
  4. Step 4: Simplify right side
    2,853.00x = 7,504,672.28
  5. Step 5: Solve for x
    x = 7,504,672.28/2,853.00
  6. Step 6: Final answer
    x = 2,630.45

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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.