Home / 4,946.86-6,828.06-3,688.12

Finding the Fourth Proportional to 4,946.86, 6,828.06 and 3,688.12

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Solution

The fourth proportional to 4,946.86, 6,828.06 and 3,688.12 is: 5,090.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,946.86 : 6,828.06 = 3,688.12 : x
  2. Step 2: Convert to fraction form
    4,946.86/6,828.06 = 3,688.12/x
  3. Step 3: Cross multiply
    4,946.86x = 6,828.06 × 3,688.12
  4. Step 4: Simplify right side
    4,946.86x = 25,182,704.65
  5. Step 5: Solve for x
    x = 25,182,704.65/4,946.86
  6. Step 6: Final answer
    x = 5,090.64

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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.