Home / 2,720.39-3,754.98-1,601.24

Finding the Fourth Proportional to 2,720.39, 3,754.98 and 1,601.24

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Solution

The fourth proportional to 2,720.39, 3,754.98 and 1,601.24 is: 2,210.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.39 : 3,754.98 = 1,601.24 : x
  2. Step 2: Convert to fraction form
    2,720.39/3,754.98 = 1,601.24/x
  3. Step 3: Cross multiply
    2,720.39x = 3,754.98 × 1,601.24
  4. Step 4: Simplify right side
    2,720.39x = 6,012,605.40
  5. Step 5: Solve for x
    x = 6,012,605.40/2,720.39
  6. Step 6: Final answer
    x = 2,210.20

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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.