Home / 7,055.28-10,582.11-1,861.02

Finding the Fourth Proportional to 7,055.28, 10,582.11 and 1,861.02

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Solution

The fourth proportional to 7,055.28, 10,582.11 and 1,861.02 is: 2,791.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,055.28 : 10,582.11 = 1,861.02 : x
  2. Step 2: Convert to fraction form
    7,055.28/10,582.11 = 1,861.02/x
  3. Step 3: Cross multiply
    7,055.28x = 10,582.11 × 1,861.02
  4. Step 4: Simplify right side
    7,055.28x = 19,693,518.35
  5. Step 5: Solve for x
    x = 19,693,518.35/7,055.28
  6. Step 6: Final answer
    x = 2,791.32

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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.