Home / 3,199.66-4,415.46-1,783.57

Finding the Fourth Proportional to 3,199.66, 4,415.46 and 1,783.57

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Solution

The fourth proportional to 3,199.66, 4,415.46 and 1,783.57 is: 2,461.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199.66 : 4,415.46 = 1,783.57 : x
  2. Step 2: Convert to fraction form
    3,199.66/4,415.46 = 1,783.57/x
  3. Step 3: Cross multiply
    3,199.66x = 4,415.46 × 1,783.57
  4. Step 4: Simplify right side
    3,199.66x = 7,875,281.99
  5. Step 5: Solve for x
    x = 7,875,281.99/3,199.66
  6. Step 6: Final answer
    x = 2,461.29

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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.