Home / 4,621.25-6,929.45-1,658.54

Finding the Fourth Proportional to 4,621.25, 6,929.45 and 1,658.54

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Solution

The fourth proportional to 4,621.25, 6,929.45 and 1,658.54 is: 2,486.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,621.25 : 6,929.45 = 1,658.54 : x
  2. Step 2: Convert to fraction form
    4,621.25/6,929.45 = 1,658.54/x
  3. Step 3: Cross multiply
    4,621.25x = 6,929.45 × 1,658.54
  4. Step 4: Simplify right side
    4,621.25x = 11,492,785.25
  5. Step 5: Solve for x
    x = 11,492,785.25/4,621.25
  6. Step 6: Final answer
    x = 2,486.94

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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.