Home / 4,479.63-6,181.59-2,490.11

Finding the Fourth Proportional to 4,479.63, 6,181.59 and 2,490.11

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Solution

The fourth proportional to 4,479.63, 6,181.59 and 2,490.11 is: 3,436.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.63 : 6,181.59 = 2,490.11 : x
  2. Step 2: Convert to fraction form
    4,479.63/6,181.59 = 2,490.11/x
  3. Step 3: Cross multiply
    4,479.63x = 6,181.59 × 2,490.11
  4. Step 4: Simplify right side
    4,479.63x = 15,392,839.07
  5. Step 5: Solve for x
    x = 15,392,839.07/4,479.63
  6. Step 6: Final answer
    x = 3,436.19

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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.