Home / 4,912.34-6,775.53-3,021.45

Finding the Fourth Proportional to 4,912.34, 6,775.53 and 3,021.45

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Solution

The fourth proportional to 4,912.34, 6,775.53 and 3,021.45 is: 4,167.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.34 : 6,775.53 = 3,021.45 : x
  2. Step 2: Convert to fraction form
    4,912.34/6,775.53 = 3,021.45/x
  3. Step 3: Cross multiply
    4,912.34x = 6,775.53 × 3,021.45
  4. Step 4: Simplify right side
    4,912.34x = 20,471,925.12
  5. Step 5: Solve for x
    x = 20,471,925.12/4,912.34
  6. Step 6: Final answer
    x = 4,167.45

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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.