Home / 3,000.16-4,137.92-2,530.64

Finding the Fourth Proportional to 3,000.16, 4,137.92 and 2,530.64

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Solution

The fourth proportional to 3,000.16, 4,137.92 and 2,530.64 is: 3,490.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.16 : 4,137.92 = 2,530.64 : x
  2. Step 2: Convert to fraction form
    3,000.16/4,137.92 = 2,530.64/x
  3. Step 3: Cross multiply
    3,000.16x = 4,137.92 × 2,530.64
  4. Step 4: Simplify right side
    3,000.16x = 10,471,585.87
  5. Step 5: Solve for x
    x = 10,471,585.87/3,000.16
  6. Step 6: Final answer
    x = 3,490.34

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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.