Home / 3,225.87-4,831.56-2,803.98

Finding the Fourth Proportional to 3,225.87, 4,831.56 and 2,803.98

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Solution

The fourth proportional to 3,225.87, 4,831.56 and 2,803.98 is: 4,199.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.87 : 4,831.56 = 2,803.98 : x
  2. Step 2: Convert to fraction form
    3,225.87/4,831.56 = 2,803.98/x
  3. Step 3: Cross multiply
    3,225.87x = 4,831.56 × 2,803.98
  4. Step 4: Simplify right side
    3,225.87x = 13,547,597.61
  5. Step 5: Solve for x
    x = 13,547,597.61/3,225.87
  6. Step 6: Final answer
    x = 4,199.67

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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.