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Finding the Fourth Proportional to 2,955.77, 4,079.00 and 1,629.52

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Solution

The fourth proportional to 2,955.77, 4,079.00 and 1,629.52 is: 2,248.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.77 : 4,079.00 = 1,629.52 : x
  2. Step 2: Convert to fraction form
    2,955.77/4,079.00 = 1,629.52/x
  3. Step 3: Cross multiply
    2,955.77x = 4,079.00 × 1,629.52
  4. Step 4: Simplify right side
    2,955.77x = 6,646,822.42
  5. Step 5: Solve for x
    x = 6,646,822.42/2,955.77
  6. Step 6: Final answer
    x = 2,248.76

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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.