Home / 3,303.25-4,557.77-1,905.19

Finding the Fourth Proportional to 3,303.25, 4,557.77 and 1,905.19

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Solution

The fourth proportional to 3,303.25, 4,557.77 and 1,905.19 is: 2,628.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,303.25 : 4,557.77 = 1,905.19 : x
  2. Step 2: Convert to fraction form
    3,303.25/4,557.77 = 1,905.19/x
  3. Step 3: Cross multiply
    3,303.25x = 4,557.77 × 1,905.19
  4. Step 4: Simplify right side
    3,303.25x = 8,683,404.05
  5. Step 5: Solve for x
    x = 8,683,404.05/3,303.25
  6. Step 6: Final answer
    x = 2,628.75

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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.