Home / 5,169.33-7,134.15-2,931.93

Finding the Fourth Proportional to 5,169.33, 7,134.15 and 2,931.93

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Solution

The fourth proportional to 5,169.33, 7,134.15 and 2,931.93 is: 4,046.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,169.33 : 7,134.15 = 2,931.93 : x
  2. Step 2: Convert to fraction form
    5,169.33/7,134.15 = 2,931.93/x
  3. Step 3: Cross multiply
    5,169.33x = 7,134.15 × 2,931.93
  4. Step 4: Simplify right side
    5,169.33x = 20,916,828.41
  5. Step 5: Solve for x
    x = 20,916,828.41/5,169.33
  6. Step 6: Final answer
    x = 4,046.33

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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.