Home / 7,920.07-10,929.98-4,335.28

Finding the Fourth Proportional to 7,920.07, 10,929.98 and 4,335.28

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Solution

The fourth proportional to 7,920.07, 10,929.98 and 4,335.28 is: 5,982.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,920.07 : 10,929.98 = 4,335.28 : x
  2. Step 2: Convert to fraction form
    7,920.07/10,929.98 = 4,335.28/x
  3. Step 3: Cross multiply
    7,920.07x = 10,929.98 × 4,335.28
  4. Step 4: Simplify right side
    7,920.07x = 47,384,507.21
  5. Step 5: Solve for x
    x = 47,384,507.21/7,920.07
  6. Step 6: Final answer
    x = 5,982.84

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.