Home / 7,218.84-10,828.32-2,024.40

Finding the Fourth Proportional to 7,218.84, 10,828.32 and 2,024.40

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Solution

The fourth proportional to 7,218.84, 10,828.32 and 2,024.40 is: 3,036.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218.84 : 10,828.32 = 2,024.40 : x
  2. Step 2: Convert to fraction form
    7,218.84/10,828.32 = 2,024.40/x
  3. Step 3: Cross multiply
    7,218.84x = 10,828.32 × 2,024.40
  4. Step 4: Simplify right side
    7,218.84x = 21,920,851.01
  5. Step 5: Solve for x
    x = 21,920,851.01/7,218.84
  6. Step 6: Final answer
    x = 3,036.62

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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.