Home / 1,768.77-2,438.10-1,625.85

Finding the Fourth Proportional to 1,768.77, 2,438.10 and 1,625.85

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Solution

The fourth proportional to 1,768.77, 2,438.10 and 1,625.85 is: 2,241.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768.77 : 2,438.10 = 1,625.85 : x
  2. Step 2: Convert to fraction form
    1,768.77/2,438.10 = 1,625.85/x
  3. Step 3: Cross multiply
    1,768.77x = 2,438.10 × 1,625.85
  4. Step 4: Simplify right side
    1,768.77x = 3,963,984.89
  5. Step 5: Solve for x
    x = 3,963,984.89/1,768.77
  6. Step 6: Final answer
    x = 2,241.10

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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.