Home / 7,051.04-9,730.44-3,907.28

Finding the Fourth Proportional to 7,051.04, 9,730.44 and 3,907.28

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Solution

The fourth proportional to 7,051.04, 9,730.44 and 3,907.28 is: 5,392.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,051.04 : 9,730.44 = 3,907.28 : x
  2. Step 2: Convert to fraction form
    7,051.04/9,730.44 = 3,907.28/x
  3. Step 3: Cross multiply
    7,051.04x = 9,730.44 × 3,907.28
  4. Step 4: Simplify right side
    7,051.04x = 38,019,553.60
  5. Step 5: Solve for x
    x = 38,019,553.60/7,051.04
  6. Step 6: Final answer
    x = 5,392.05

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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.