Home / 7,379.51-10,184.64-4,193.78

Finding the Fourth Proportional to 7,379.51, 10,184.64 and 4,193.78

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Solution

The fourth proportional to 7,379.51, 10,184.64 and 4,193.78 is: 5,787.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379.51 : 10,184.64 = 4,193.78 : x
  2. Step 2: Convert to fraction form
    7,379.51/10,184.64 = 4,193.78/x
  3. Step 3: Cross multiply
    7,379.51x = 10,184.64 × 4,193.78
  4. Step 4: Simplify right side
    7,379.51x = 42,712,139.54
  5. Step 5: Solve for x
    x = 42,712,139.54/7,379.51
  6. Step 6: Final answer
    x = 5,787.94

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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.