Home / 7,377.49-10,180.81-4,020.33

Finding the Fourth Proportional to 7,377.49, 10,180.81 and 4,020.33

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Solution

The fourth proportional to 7,377.49, 10,180.81 and 4,020.33 is: 5,547.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,377.49 : 10,180.81 = 4,020.33 : x
  2. Step 2: Convert to fraction form
    7,377.49/10,180.81 = 4,020.33/x
  3. Step 3: Cross multiply
    7,377.49x = 10,180.81 × 4,020.33
  4. Step 4: Simplify right side
    7,377.49x = 40,930,215.87
  5. Step 5: Solve for x
    x = 40,930,215.87/7,377.49
  6. Step 6: Final answer
    x = 5,547.99

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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.