Home / 7,130.81-10,697.64-2,200.27

Finding the Fourth Proportional to 7,130.81, 10,697.64 and 2,200.27

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Solution

The fourth proportional to 7,130.81, 10,697.64 and 2,200.27 is: 3,300.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130.81 : 10,697.64 = 2,200.27 : x
  2. Step 2: Convert to fraction form
    7,130.81/10,697.64 = 2,200.27/x
  3. Step 3: Cross multiply
    7,130.81x = 10,697.64 × 2,200.27
  4. Step 4: Simplify right side
    7,130.81x = 23,537,657.81
  5. Step 5: Solve for x
    x = 23,537,657.81/7,130.81
  6. Step 6: Final answer
    x = 3,300.84

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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.