Home / 4,742.75-6,545.51-2,974.93

Finding the Fourth Proportional to 4,742.75, 6,545.51 and 2,974.93

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Solution

The fourth proportional to 4,742.75, 6,545.51 and 2,974.93 is: 4,105.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742.75 : 6,545.51 = 2,974.93 : x
  2. Step 2: Convert to fraction form
    4,742.75/6,545.51 = 2,974.93/x
  3. Step 3: Cross multiply
    4,742.75x = 6,545.51 × 2,974.93
  4. Step 4: Simplify right side
    4,742.75x = 19,472,413.98
  5. Step 5: Solve for x
    x = 19,472,413.98/4,742.75
  6. Step 6: Final answer
    x = 4,105.72

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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.