Home / 3,173.19-4,760.01-981.63

Finding the Fourth Proportional to 3,173.19, 4,760.01 and 981.63

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Solution

The fourth proportional to 3,173.19, 4,760.01 and 981.63 is: 1,472.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173.19 : 4,760.01 = 981.63 : x
  2. Step 2: Convert to fraction form
    3,173.19/4,760.01 = 981.63/x
  3. Step 3: Cross multiply
    3,173.19x = 4,760.01 × 981.63
  4. Step 4: Simplify right side
    3,173.19x = 4,672,568.62
  5. Step 5: Solve for x
    x = 4,672,568.62/3,173.19
  6. Step 6: Final answer
    x = 1,472.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.