Home / 3,316.37-4,576.34-1,900.05

Finding the Fourth Proportional to 3,316.37, 4,576.34 and 1,900.05

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Solution

The fourth proportional to 3,316.37, 4,576.34 and 1,900.05 is: 2,621.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.37 : 4,576.34 = 1,900.05 : x
  2. Step 2: Convert to fraction form
    3,316.37/4,576.34 = 1,900.05/x
  3. Step 3: Cross multiply
    3,316.37x = 4,576.34 × 1,900.05
  4. Step 4: Simplify right side
    3,316.37x = 8,695,265.32
  5. Step 5: Solve for x
    x = 8,695,265.32/3,316.37
  6. Step 6: Final answer
    x = 2,621.93

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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.