Home / 5,153.32-7,110.40-2,914.71

Finding the Fourth Proportional to 5,153.32, 7,110.40 and 2,914.71

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Solution

The fourth proportional to 5,153.32, 7,110.40 and 2,914.71 is: 4,021.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.32 : 7,110.40 = 2,914.71 : x
  2. Step 2: Convert to fraction form
    5,153.32/7,110.40 = 2,914.71/x
  3. Step 3: Cross multiply
    5,153.32x = 7,110.40 × 2,914.71
  4. Step 4: Simplify right side
    5,153.32x = 20,724,739.41
  5. Step 5: Solve for x
    x = 20,724,739.41/5,153.32
  6. Step 6: Final answer
    x = 4,021.63

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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.