Home / 3,461.74-4,777.16-1,969.62

Finding the Fourth Proportional to 3,461.74, 4,777.16 and 1,969.62

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Solution

The fourth proportional to 3,461.74, 4,777.16 and 1,969.62 is: 2,718.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.74 : 4,777.16 = 1,969.62 : x
  2. Step 2: Convert to fraction form
    3,461.74/4,777.16 = 1,969.62/x
  3. Step 3: Cross multiply
    3,461.74x = 4,777.16 × 1,969.62
  4. Step 4: Simplify right side
    3,461.74x = 9,409,189.88
  5. Step 5: Solve for x
    x = 9,409,189.88/3,461.74
  6. Step 6: Final answer
    x = 2,718.05

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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.