Home / 7,845.74-10,827.08-4,260.67

Finding the Fourth Proportional to 7,845.74, 10,827.08 and 4,260.67

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Solution

The fourth proportional to 7,845.74, 10,827.08 and 4,260.67 is: 5,879.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.74 : 10,827.08 = 4,260.67 : x
  2. Step 2: Convert to fraction form
    7,845.74/10,827.08 = 4,260.67/x
  3. Step 3: Cross multiply
    7,845.74x = 10,827.08 × 4,260.67
  4. Step 4: Simplify right side
    7,845.74x = 46,130,625.05
  5. Step 5: Solve for x
    x = 46,130,625.05/7,845.74
  6. Step 6: Final answer
    x = 5,879.71

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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.