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Finding the Fourth Proportional to 1,794.79, 2,474.40 and 1,545.58

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Solution

The fourth proportional to 1,794.79, 2,474.40 and 1,545.58 is: 2,130.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,794.79 : 2,474.40 = 1,545.58 : x
  2. Step 2: Convert to fraction form
    1,794.79/2,474.40 = 1,545.58/x
  3. Step 3: Cross multiply
    1,794.79x = 2,474.40 × 1,545.58
  4. Step 4: Simplify right side
    1,794.79x = 3,824,383.15
  5. Step 5: Solve for x
    x = 3,824,383.15/1,794.79
  6. Step 6: Final answer
    x = 2,130.82

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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.