Home / 3,048.03-4,206.33-1,721.79

Finding the Fourth Proportional to 3,048.03, 4,206.33 and 1,721.79

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Solution

The fourth proportional to 3,048.03, 4,206.33 and 1,721.79 is: 2,376.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048.03 : 4,206.33 = 1,721.79 : x
  2. Step 2: Convert to fraction form
    3,048.03/4,206.33 = 1,721.79/x
  3. Step 3: Cross multiply
    3,048.03x = 4,206.33 × 1,721.79
  4. Step 4: Simplify right side
    3,048.03x = 7,242,416.93
  5. Step 5: Solve for x
    x = 7,242,416.93/3,048.03
  6. Step 6: Final answer
    x = 2,376.10

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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.