Home / 3,603.80-4,974.35-2,111.18

Finding the Fourth Proportional to 3,603.80, 4,974.35 and 2,111.18

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Solution

The fourth proportional to 3,603.80, 4,974.35 and 2,111.18 is: 2,914.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603.80 : 4,974.35 = 2,111.18 : x
  2. Step 2: Convert to fraction form
    3,603.80/4,974.35 = 2,111.18/x
  3. Step 3: Cross multiply
    3,603.80x = 4,974.35 × 2,111.18
  4. Step 4: Simplify right side
    3,603.80x = 10,501,712.81
  5. Step 5: Solve for x
    x = 10,501,712.81/3,603.80
  6. Step 6: Final answer
    x = 2,914.06

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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.