Home / 3,172.03-4,377.68-1,845.82

Finding the Fourth Proportional to 3,172.03, 4,377.68 and 1,845.82

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Solution

The fourth proportional to 3,172.03, 4,377.68 and 1,845.82 is: 2,547.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172.03 : 4,377.68 = 1,845.82 : x
  2. Step 2: Convert to fraction form
    3,172.03/4,377.68 = 1,845.82/x
  3. Step 3: Cross multiply
    3,172.03x = 4,377.68 × 1,845.82
  4. Step 4: Simplify right side
    3,172.03x = 8,080,412.46
  5. Step 5: Solve for x
    x = 8,080,412.46/3,172.03
  6. Step 6: Final answer
    x = 2,547.40

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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.