Home / 2,907.31-4,008.34-2,375.64

Finding the Fourth Proportional to 2,907.31, 4,008.34 and 2,375.64

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Solution

The fourth proportional to 2,907.31, 4,008.34 and 2,375.64 is: 3,275.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907.31 : 4,008.34 = 2,375.64 : x
  2. Step 2: Convert to fraction form
    2,907.31/4,008.34 = 2,375.64/x
  3. Step 3: Cross multiply
    2,907.31x = 4,008.34 × 2,375.64
  4. Step 4: Simplify right side
    2,907.31x = 9,522,372.84
  5. Step 5: Solve for x
    x = 9,522,372.84/2,907.31
  6. Step 6: Final answer
    x = 3,275.32

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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.