Home / 7,730.24-11,591.40-4,031.60

Finding the Fourth Proportional to 7,730.24, 11,591.40 and 4,031.60

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Solution

The fourth proportional to 7,730.24, 11,591.40 and 4,031.60 is: 6,045.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,730.24 : 11,591.40 = 4,031.60 : x
  2. Step 2: Convert to fraction form
    7,730.24/11,591.40 = 4,031.60/x
  3. Step 3: Cross multiply
    7,730.24x = 11,591.40 × 4,031.60
  4. Step 4: Simplify right side
    7,730.24x = 46,731,888.24
  5. Step 5: Solve for x
    x = 46,731,888.24/7,730.24
  6. Step 6: Final answer
    x = 6,045.33

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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.