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Finding the Fourth Proportional to 3,574.77, 5,362.02 and 2,123.19

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Solution

The fourth proportional to 3,574.77, 5,362.02 and 2,123.19 is: 3,184.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,574.77 : 5,362.02 = 2,123.19 : x
  2. Step 2: Convert to fraction form
    3,574.77/5,362.02 = 2,123.19/x
  3. Step 3: Cross multiply
    3,574.77x = 5,362.02 × 2,123.19
  4. Step 4: Simplify right side
    3,574.77x = 11,384,587.24
  5. Step 5: Solve for x
    x = 11,384,587.24/3,574.77
  6. Step 6: Final answer
    x = 3,184.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.