Home / 7,353.80-11,030.62-2,159.48

Finding the Fourth Proportional to 7,353.80, 11,030.62 and 2,159.48

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Solution

The fourth proportional to 7,353.80, 11,030.62 and 2,159.48 is: 3,239.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,353.80 : 11,030.62 = 2,159.48 : x
  2. Step 2: Convert to fraction form
    7,353.80/11,030.62 = 2,159.48/x
  3. Step 3: Cross multiply
    7,353.80x = 11,030.62 × 2,159.48
  4. Step 4: Simplify right side
    7,353.80x = 23,820,403.28
  5. Step 5: Solve for x
    x = 23,820,403.28/7,353.80
  6. Step 6: Final answer
    x = 3,239.20

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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.