Home / 2,215.44-3,055.59-2,051.64

Finding the Fourth Proportional to 2,215.44, 3,055.59 and 2,051.64

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Solution

The fourth proportional to 2,215.44, 3,055.59 and 2,051.64 is: 2,829.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215.44 : 3,055.59 = 2,051.64 : x
  2. Step 2: Convert to fraction form
    2,215.44/3,055.59 = 2,051.64/x
  3. Step 3: Cross multiply
    2,215.44x = 3,055.59 × 2,051.64
  4. Step 4: Simplify right side
    2,215.44x = 6,268,970.67
  5. Step 5: Solve for x
    x = 6,268,970.67/2,215.44
  6. Step 6: Final answer
    x = 2,829.67

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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.