Home / 3,072.81-4,240.33-1,746.49

Finding the Fourth Proportional to 3,072.81, 4,240.33 and 1,746.49

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Solution

The fourth proportional to 3,072.81, 4,240.33 and 1,746.49 is: 2,410.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.81 : 4,240.33 = 1,746.49 : x
  2. Step 2: Convert to fraction form
    3,072.81/4,240.33 = 1,746.49/x
  3. Step 3: Cross multiply
    3,072.81x = 4,240.33 × 1,746.49
  4. Step 4: Simplify right side
    3,072.81x = 7,405,693.94
  5. Step 5: Solve for x
    x = 7,405,693.94/3,072.81
  6. Step 6: Final answer
    x = 2,410.07

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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.