Home / 3,153.07-4,351.04-1,895.09

Finding the Fourth Proportional to 3,153.07, 4,351.04 and 1,895.09

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Solution

The fourth proportional to 3,153.07, 4,351.04 and 1,895.09 is: 2,615.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.07 : 4,351.04 = 1,895.09 : x
  2. Step 2: Convert to fraction form
    3,153.07/4,351.04 = 1,895.09/x
  3. Step 3: Cross multiply
    3,153.07x = 4,351.04 × 1,895.09
  4. Step 4: Simplify right side
    3,153.07x = 8,245,581.16
  5. Step 5: Solve for x
    x = 8,245,581.16/3,153.07
  6. Step 6: Final answer
    x = 2,615.10

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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.