Home / 3,298.12-4,549.86-1,900.06

Finding the Fourth Proportional to 3,298.12, 4,549.86 and 1,900.06

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Solution

The fourth proportional to 3,298.12, 4,549.86 and 1,900.06 is: 2,621.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298.12 : 4,549.86 = 1,900.06 : x
  2. Step 2: Convert to fraction form
    3,298.12/4,549.86 = 1,900.06/x
  3. Step 3: Cross multiply
    3,298.12x = 4,549.86 × 1,900.06
  4. Step 4: Simplify right side
    3,298.12x = 8,645,006.99
  5. Step 5: Solve for x
    x = 8,645,006.99/3,298.12
  6. Step 6: Final answer
    x = 2,621.19

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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.