Home / 7,652.91-11,478.69-2,106.08

Finding the Fourth Proportional to 7,652.91, 11,478.69 and 2,106.08

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Solution

The fourth proportional to 7,652.91, 11,478.69 and 2,106.08 is: 3,158.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,652.91 : 11,478.69 = 2,106.08 : x
  2. Step 2: Convert to fraction form
    7,652.91/11,478.69 = 2,106.08/x
  3. Step 3: Cross multiply
    7,652.91x = 11,478.69 × 2,106.08
  4. Step 4: Simplify right side
    7,652.91x = 24,174,982.04
  5. Step 5: Solve for x
    x = 24,174,982.04/7,652.91
  6. Step 6: Final answer
    x = 3,158.93

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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.