Home / 3,482.08-4,805.38-1,910.28

Finding the Fourth Proportional to 3,482.08, 4,805.38 and 1,910.28

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Solution

The fourth proportional to 3,482.08, 4,805.38 and 1,910.28 is: 2,636.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,482.08 : 4,805.38 = 1,910.28 : x
  2. Step 2: Convert to fraction form
    3,482.08/4,805.38 = 1,910.28/x
  3. Step 3: Cross multiply
    3,482.08x = 4,805.38 × 1,910.28
  4. Step 4: Simplify right side
    3,482.08x = 9,179,621.31
  5. Step 5: Solve for x
    x = 9,179,621.31/3,482.08
  6. Step 6: Final answer
    x = 2,636.25

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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.