Home / 7,476.74-10,317.71-4,119.49

Finding the Fourth Proportional to 7,476.74, 10,317.71 and 4,119.49

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Solution

The fourth proportional to 7,476.74, 10,317.71 and 4,119.49 is: 5,684.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,476.74 : 10,317.71 = 4,119.49 : x
  2. Step 2: Convert to fraction form
    7,476.74/10,317.71 = 4,119.49/x
  3. Step 3: Cross multiply
    7,476.74x = 10,317.71 × 4,119.49
  4. Step 4: Simplify right side
    7,476.74x = 42,503,726.36
  5. Step 5: Solve for x
    x = 42,503,726.36/7,476.74
  6. Step 6: Final answer
    x = 5,684.79

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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.