Home / 6,860.75-9,468.02-3,876.52

Finding the Fourth Proportional to 6,860.75, 9,468.02 and 3,876.52

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Solution

The fourth proportional to 6,860.75, 9,468.02 and 3,876.52 is: 5,349.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,860.75 : 9,468.02 = 3,876.52 : x
  2. Step 2: Convert to fraction form
    6,860.75/9,468.02 = 3,876.52/x
  3. Step 3: Cross multiply
    6,860.75x = 9,468.02 × 3,876.52
  4. Step 4: Simplify right side
    6,860.75x = 36,702,968.89
  5. Step 5: Solve for x
    x = 36,702,968.89/6,860.75
  6. Step 6: Final answer
    x = 5,349.70

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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.