Home / 3,017.76-4,165.20-1,776.48

Finding the Fourth Proportional to 3,017.76, 4,165.20 and 1,776.48

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Solution

The fourth proportional to 3,017.76, 4,165.20 and 1,776.48 is: 2,451.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,017.76 : 4,165.20 = 1,776.48 : x
  2. Step 2: Convert to fraction form
    3,017.76/4,165.20 = 1,776.48/x
  3. Step 3: Cross multiply
    3,017.76x = 4,165.20 × 1,776.48
  4. Step 4: Simplify right side
    3,017.76x = 7,399,394.50
  5. Step 5: Solve for x
    x = 7,399,394.50/3,017.76
  6. Step 6: Final answer
    x = 2,451.95

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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.