Home / 3,172.08-4,377.12-1,846.02

Finding the Fourth Proportional to 3,172.08, 4,377.12 and 1,846.02

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Solution

The fourth proportional to 3,172.08, 4,377.12 and 1,846.02 is: 2,547.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172.08 : 4,377.12 = 1,846.02 : x
  2. Step 2: Convert to fraction form
    3,172.08/4,377.12 = 1,846.02/x
  3. Step 3: Cross multiply
    3,172.08x = 4,377.12 × 1,846.02
  4. Step 4: Simplify right side
    3,172.08x = 8,080,251.06
  5. Step 5: Solve for x
    x = 8,080,251.06/3,172.08
  6. Step 6: Final answer
    x = 2,547.30

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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.