Home / 5,344.51-7,374.91-3,105.67

Finding the Fourth Proportional to 5,344.51, 7,374.91 and 3,105.67

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Solution

The fourth proportional to 5,344.51, 7,374.91 and 3,105.67 is: 4,285.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,344.51 : 7,374.91 = 3,105.67 : x
  2. Step 2: Convert to fraction form
    5,344.51/7,374.91 = 3,105.67/x
  3. Step 3: Cross multiply
    5,344.51x = 7,374.91 × 3,105.67
  4. Step 4: Simplify right side
    5,344.51x = 22,904,036.74
  5. Step 5: Solve for x
    x = 22,904,036.74/5,344.51
  6. Step 6: Final answer
    x = 4,285.53

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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.