Home / 3,513.46-5,231.02-3,464.40

Finding the Fourth Proportional to 3,513.46, 5,231.02 and 3,464.40

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Solution

The fourth proportional to 3,513.46, 5,231.02 and 3,464.40 is: 5,157.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.46 : 5,231.02 = 3,464.40 : x
  2. Step 2: Convert to fraction form
    3,513.46/5,231.02 = 3,464.40/x
  3. Step 3: Cross multiply
    3,513.46x = 5,231.02 × 3,464.40
  4. Step 4: Simplify right side
    3,513.46x = 18,122,345.60
  5. Step 5: Solve for x
    x = 18,122,345.60/3,513.46
  6. Step 6: Final answer
    x = 5,157.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.