Home / 4,931.48-6,804.78-2,835.74

Finding the Fourth Proportional to 4,931.48, 6,804.78 and 2,835.74

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Solution

The fourth proportional to 4,931.48, 6,804.78 and 2,835.74 is: 3,912.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.48 : 6,804.78 = 2,835.74 : x
  2. Step 2: Convert to fraction form
    4,931.48/6,804.78 = 2,835.74/x
  3. Step 3: Cross multiply
    4,931.48x = 6,804.78 × 2,835.74
  4. Step 4: Simplify right side
    4,931.48x = 19,296,586.84
  5. Step 5: Solve for x
    x = 19,296,586.84/4,931.48
  6. Step 6: Final answer
    x = 3,912.94

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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.