Home / 7,637.85-11,458.58-2,443.77

Finding the Fourth Proportional to 7,637.85, 11,458.58 and 2,443.77

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Solution

The fourth proportional to 7,637.85, 11,458.58 and 2,443.77 is: 3,666.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,637.85 : 11,458.58 = 2,443.77 : x
  2. Step 2: Convert to fraction form
    7,637.85/11,458.58 = 2,443.77/x
  3. Step 3: Cross multiply
    7,637.85x = 11,458.58 × 2,443.77
  4. Step 4: Simplify right side
    7,637.85x = 28,002,121.83
  5. Step 5: Solve for x
    x = 28,002,121.83/7,637.85
  6. Step 6: Final answer
    x = 3,666.23

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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.