Home / 7,515.76-11,271.48-2,322.04

Finding the Fourth Proportional to 7,515.76, 11,271.48 and 2,322.04

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Solution

The fourth proportional to 7,515.76, 11,271.48 and 2,322.04 is: 3,482.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.76 : 11,271.48 = 2,322.04 : x
  2. Step 2: Convert to fraction form
    7,515.76/11,271.48 = 2,322.04/x
  3. Step 3: Cross multiply
    7,515.76x = 11,271.48 × 2,322.04
  4. Step 4: Simplify right side
    7,515.76x = 26,172,827.42
  5. Step 5: Solve for x
    x = 26,172,827.42/7,515.76
  6. Step 6: Final answer
    x = 3,482.39

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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.