Home / 4,713.22-7,069.86-2,115.52

Finding the Fourth Proportional to 4,713.22, 7,069.86 and 2,115.52

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Solution

The fourth proportional to 4,713.22, 7,069.86 and 2,115.52 is: 3,173.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,713.22 : 7,069.86 = 2,115.52 : x
  2. Step 2: Convert to fraction form
    4,713.22/7,069.86 = 2,115.52/x
  3. Step 3: Cross multiply
    4,713.22x = 7,069.86 × 2,115.52
  4. Step 4: Simplify right side
    4,713.22x = 14,956,430.23
  5. Step 5: Solve for x
    x = 14,956,430.23/4,713.22
  6. Step 6: Final answer
    x = 3,173.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.