Home / 7,307.50-10,955.10-2,922.56

Finding the Fourth Proportional to 7,307.50, 10,955.10 and 2,922.56

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Solution

The fourth proportional to 7,307.50, 10,955.10 and 2,922.56 is: 4,381.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,307.50 : 10,955.10 = 2,922.56 : x
  2. Step 2: Convert to fraction form
    7,307.50/10,955.10 = 2,922.56/x
  3. Step 3: Cross multiply
    7,307.50x = 10,955.10 × 2,922.56
  4. Step 4: Simplify right side
    7,307.50x = 32,016,979.50
  5. Step 5: Solve for x
    x = 32,016,979.50/7,307.50
  6. Step 6: Final answer
    x = 4,381.39

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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.