Home / 2,907.47-4,022.87-2,535.23

Finding the Fourth Proportional to 2,907.47, 4,022.87 and 2,535.23

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Solution

The fourth proportional to 2,907.47, 4,022.87 and 2,535.23 is: 3,507.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907.47 : 4,022.87 = 2,535.23 : x
  2. Step 2: Convert to fraction form
    2,907.47/4,022.87 = 2,535.23/x
  3. Step 3: Cross multiply
    2,907.47x = 4,022.87 × 2,535.23
  4. Step 4: Simplify right side
    2,907.47x = 10,198,886.93
  5. Step 5: Solve for x
    x = 10,198,886.93/2,907.47
  6. Step 6: Final answer
    x = 3,507.82

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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.