Home / 3,275.13-4,519.70-1,783.06

Finding the Fourth Proportional to 3,275.13, 4,519.70 and 1,783.06

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Solution

The fourth proportional to 3,275.13, 4,519.70 and 1,783.06 is: 2,460.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.13 : 4,519.70 = 1,783.06 : x
  2. Step 2: Convert to fraction form
    3,275.13/4,519.70 = 1,783.06/x
  3. Step 3: Cross multiply
    3,275.13x = 4,519.70 × 1,783.06
  4. Step 4: Simplify right side
    3,275.13x = 8,058,876.07
  5. Step 5: Solve for x
    x = 8,058,876.07/3,275.13
  6. Step 6: Final answer
    x = 2,460.63

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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.