Home / 3,011.49-4,156.97-2,267.60

Finding the Fourth Proportional to 3,011.49, 4,156.97 and 2,267.60

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Solution

The fourth proportional to 3,011.49, 4,156.97 and 2,267.60 is: 3,130.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,011.49 : 4,156.97 = 2,267.60 : x
  2. Step 2: Convert to fraction form
    3,011.49/4,156.97 = 2,267.60/x
  3. Step 3: Cross multiply
    3,011.49x = 4,156.97 × 2,267.60
  4. Step 4: Simplify right side
    3,011.49x = 9,426,313.05
  5. Step 5: Solve for x
    x = 9,426,313.05/3,011.49
  6. Step 6: Final answer
    x = 3,130.12

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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.