Home / 3,122.42-4,307.58-1,795.82

Finding the Fourth Proportional to 3,122.42, 4,307.58 and 1,795.82

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Solution

The fourth proportional to 3,122.42, 4,307.58 and 1,795.82 is: 2,477.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122.42 : 4,307.58 = 1,795.82 : x
  2. Step 2: Convert to fraction form
    3,122.42/4,307.58 = 1,795.82/x
  3. Step 3: Cross multiply
    3,122.42x = 4,307.58 × 1,795.82
  4. Step 4: Simplify right side
    3,122.42x = 7,735,616.78
  5. Step 5: Solve for x
    x = 7,735,616.78/3,122.42
  6. Step 6: Final answer
    x = 2,477.45

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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.