Home / 4,805.64-7,208.28-1,519.08

Finding the Fourth Proportional to 4,805.64, 7,208.28 and 1,519.08

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Solution

The fourth proportional to 4,805.64, 7,208.28 and 1,519.08 is: 2,278.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,805.64 : 7,208.28 = 1,519.08 : x
  2. Step 2: Convert to fraction form
    4,805.64/7,208.28 = 1,519.08/x
  3. Step 3: Cross multiply
    4,805.64x = 7,208.28 × 1,519.08
  4. Step 4: Simplify right side
    4,805.64x = 10,949,953.98
  5. Step 5: Solve for x
    x = 10,949,953.98/4,805.64
  6. Step 6: Final answer
    x = 2,278.56

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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.