Home / 3,081.37-4,252.04-1,754.81

Finding the Fourth Proportional to 3,081.37, 4,252.04 and 1,754.81

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Solution

The fourth proportional to 3,081.37, 4,252.04 and 1,754.81 is: 2,421.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.37 : 4,252.04 = 1,754.81 : x
  2. Step 2: Convert to fraction form
    3,081.37/4,252.04 = 1,754.81/x
  3. Step 3: Cross multiply
    3,081.37x = 4,252.04 × 1,754.81
  4. Step 4: Simplify right side
    3,081.37x = 7,461,522.31
  5. Step 5: Solve for x
    x = 7,461,522.31/3,081.37
  6. Step 6: Final answer
    x = 2,421.50

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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.