Home / 4,185.60-5,776.08-2,271.41

Finding the Fourth Proportional to 4,185.60, 5,776.08 and 2,271.41

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Solution

The fourth proportional to 4,185.60, 5,776.08 and 2,271.41 is: 3,134.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,185.60 : 5,776.08 = 2,271.41 : x
  2. Step 2: Convert to fraction form
    4,185.60/5,776.08 = 2,271.41/x
  3. Step 3: Cross multiply
    4,185.60x = 5,776.08 × 2,271.41
  4. Step 4: Simplify right side
    4,185.60x = 13,119,816.99
  5. Step 5: Solve for x
    x = 13,119,816.99/4,185.60
  6. Step 6: Final answer
    x = 3,134.51

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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.