Home / 6,313.15-8,711.75-3,480.37

Finding the Fourth Proportional to 6,313.15, 8,711.75 and 3,480.37

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Solution

The fourth proportional to 6,313.15, 8,711.75 and 3,480.37 is: 4,802.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,313.15 : 8,711.75 = 3,480.37 : x
  2. Step 2: Convert to fraction form
    6,313.15/8,711.75 = 3,480.37/x
  3. Step 3: Cross multiply
    6,313.15x = 8,711.75 × 3,480.37
  4. Step 4: Simplify right side
    6,313.15x = 30,320,095.95
  5. Step 5: Solve for x
    x = 30,320,095.95/6,313.15
  6. Step 6: Final answer
    x = 4,802.69

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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.