Home / 3,191.51-4,406.46-2,603.45

Finding the Fourth Proportional to 3,191.51, 4,406.46 and 2,603.45

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Solution

The fourth proportional to 3,191.51, 4,406.46 and 2,603.45 is: 3,594.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.51 : 4,406.46 = 2,603.45 : x
  2. Step 2: Convert to fraction form
    3,191.51/4,406.46 = 2,603.45/x
  3. Step 3: Cross multiply
    3,191.51x = 4,406.46 × 2,603.45
  4. Step 4: Simplify right side
    3,191.51x = 11,471,998.29
  5. Step 5: Solve for x
    x = 11,471,998.29/3,191.51
  6. Step 6: Final answer
    x = 3,594.54

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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.