Home / 7,020.61-10,523.35-3,730.39

Finding the Fourth Proportional to 7,020.61, 10,523.35 and 3,730.39

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Solution

The fourth proportional to 7,020.61, 10,523.35 and 3,730.39 is: 5,591.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.61 : 10,523.35 = 3,730.39 : x
  2. Step 2: Convert to fraction form
    7,020.61/10,523.35 = 3,730.39/x
  3. Step 3: Cross multiply
    7,020.61x = 10,523.35 × 3,730.39
  4. Step 4: Simplify right side
    7,020.61x = 39,256,199.61
  5. Step 5: Solve for x
    x = 39,256,199.61/7,020.61
  6. Step 6: Final answer
    x = 5,591.57

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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.