Home / 2,071.49-3,107.24-1,705.51

Finding the Fourth Proportional to 2,071.49, 3,107.24 and 1,705.51

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Solution

The fourth proportional to 2,071.49, 3,107.24 and 1,705.51 is: 2,558.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071.49 : 3,107.24 = 1,705.51 : x
  2. Step 2: Convert to fraction form
    2,071.49/3,107.24 = 1,705.51/x
  3. Step 3: Cross multiply
    2,071.49x = 3,107.24 × 1,705.51
  4. Step 4: Simplify right side
    2,071.49x = 5,299,424.63
  5. Step 5: Solve for x
    x = 5,299,424.63/2,071.49
  6. Step 6: Final answer
    x = 2,558.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.