Home / 7,051-9,730.33-3,907.18

Finding the Fourth Proportional to 7,051, 9,730.33 and 3,907.18

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Solution

The fourth proportional to 7,051, 9,730.33 and 3,907.18 is: 5,391.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,051 : 9,730.33 = 3,907.18 : x
  2. Step 2: Convert to fraction form
    7,051/9,730.33 = 3,907.18/x
  3. Step 3: Cross multiply
    7,051x = 9,730.33 × 3,907.18
  4. Step 4: Simplify right side
    7,051x = 38,018,150.77
  5. Step 5: Solve for x
    x = 38,018,150.77/7,051
  6. Step 6: Final answer
    x = 5,391.88

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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.