Home / 7,045.29-10,569.69-2,115.02

Finding the Fourth Proportional to 7,045.29, 10,569.69 and 2,115.02

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Solution

The fourth proportional to 7,045.29, 10,569.69 and 2,115.02 is: 3,173.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045.29 : 10,569.69 = 2,115.02 : x
  2. Step 2: Convert to fraction form
    7,045.29/10,569.69 = 2,115.02/x
  3. Step 3: Cross multiply
    7,045.29x = 10,569.69 × 2,115.02
  4. Step 4: Simplify right side
    7,045.29x = 22,355,105.74
  5. Step 5: Solve for x
    x = 22,355,105.74/7,045.29
  6. Step 6: Final answer
    x = 3,173.06

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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.