Home / 3,184.59-4,394.77-1,768.30

Finding the Fourth Proportional to 3,184.59, 4,394.77 and 1,768.30

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Solution

The fourth proportional to 3,184.59, 4,394.77 and 1,768.30 is: 2,440.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.59 : 4,394.77 = 1,768.30 : x
  2. Step 2: Convert to fraction form
    3,184.59/4,394.77 = 1,768.30/x
  3. Step 3: Cross multiply
    3,184.59x = 4,394.77 × 1,768.30
  4. Step 4: Simplify right side
    3,184.59x = 7,771,271.79
  5. Step 5: Solve for x
    x = 7,771,271.79/3,184.59
  6. Step 6: Final answer
    x = 2,440.27

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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.