Home / 4,074.13-5,621.93-2,305.45

Finding the Fourth Proportional to 4,074.13, 5,621.93 and 2,305.45

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Solution

The fourth proportional to 4,074.13, 5,621.93 and 2,305.45 is: 3,181.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,074.13 : 5,621.93 = 2,305.45 : x
  2. Step 2: Convert to fraction form
    4,074.13/5,621.93 = 2,305.45/x
  3. Step 3: Cross multiply
    4,074.13x = 5,621.93 × 2,305.45
  4. Step 4: Simplify right side
    4,074.13x = 12,961,066.99
  5. Step 5: Solve for x
    x = 12,961,066.99/4,074.13
  6. Step 6: Final answer
    x = 3,181.31

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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.