Home / 5,774.01-7,968.12-3,121.41

Finding the Fourth Proportional to 5,774.01, 7,968.12 and 3,121.41

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Solution

The fourth proportional to 5,774.01, 7,968.12 and 3,121.41 is: 4,307.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,774.01 : 7,968.12 = 3,121.41 : x
  2. Step 2: Convert to fraction form
    5,774.01/7,968.12 = 3,121.41/x
  3. Step 3: Cross multiply
    5,774.01x = 7,968.12 × 3,121.41
  4. Step 4: Simplify right side
    5,774.01x = 24,871,769.45
  5. Step 5: Solve for x
    x = 24,871,769.45/5,774.01
  6. Step 6: Final answer
    x = 4,307.54

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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.