Home / 7,261.25-10,890.56-1,924.46

Finding the Fourth Proportional to 7,261.25, 10,890.56 and 1,924.46

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Solution

The fourth proportional to 7,261.25, 10,890.56 and 1,924.46 is: 2,886.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261.25 : 10,890.56 = 1,924.46 : x
  2. Step 2: Convert to fraction form
    7,261.25/10,890.56 = 1,924.46/x
  3. Step 3: Cross multiply
    7,261.25x = 10,890.56 × 1,924.46
  4. Step 4: Simplify right side
    7,261.25x = 20,958,427.47
  5. Step 5: Solve for x
    x = 20,958,427.47/7,261.25
  6. Step 6: Final answer
    x = 2,886.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.