Home / 5,125.89-7,074.88-3,356.47

Finding the Fourth Proportional to 5,125.89, 7,074.88 and 3,356.47

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Solution

The fourth proportional to 5,125.89, 7,074.88 and 3,356.47 is: 4,632.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.89 : 7,074.88 = 3,356.47 : x
  2. Step 2: Convert to fraction form
    5,125.89/7,074.88 = 3,356.47/x
  3. Step 3: Cross multiply
    5,125.89x = 7,074.88 × 3,356.47
  4. Step 4: Simplify right side
    5,125.89x = 23,746,622.47
  5. Step 5: Solve for x
    x = 23,746,622.47/5,125.89
  6. Step 6: Final answer
    x = 4,632.68

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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.