Home / 2,101.25-2,898.70-1,632.26

Finding the Fourth Proportional to 2,101.25, 2,898.70 and 1,632.26

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Solution

The fourth proportional to 2,101.25, 2,898.70 and 1,632.26 is: 2,251.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101.25 : 2,898.70 = 1,632.26 : x
  2. Step 2: Convert to fraction form
    2,101.25/2,898.70 = 1,632.26/x
  3. Step 3: Cross multiply
    2,101.25x = 2,898.70 × 1,632.26
  4. Step 4: Simplify right side
    2,101.25x = 4,731,413.49
  5. Step 5: Solve for x
    x = 4,731,413.49/2,101.25
  6. Step 6: Final answer
    x = 2,251.72

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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.