Home / 5,176.41-7,141.53-3,314.49

Finding the Fourth Proportional to 5,176.41, 7,141.53 and 3,314.49

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Solution

The fourth proportional to 5,176.41, 7,141.53 and 3,314.49 is: 4,572.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.41 : 7,141.53 = 3,314.49 : x
  2. Step 2: Convert to fraction form
    5,176.41/7,141.53 = 3,314.49/x
  3. Step 3: Cross multiply
    5,176.41x = 7,141.53 × 3,314.49
  4. Step 4: Simplify right side
    5,176.41x = 23,670,529.77
  5. Step 5: Solve for x
    x = 23,670,529.77/5,176.41
  6. Step 6: Final answer
    x = 4,572.77

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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.