Home / 5,042.69-7,530.04-4,120.07

Finding the Fourth Proportional to 5,042.69, 7,530.04 and 4,120.07

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Solution

The fourth proportional to 5,042.69, 7,530.04 and 4,120.07 is: 6,152.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,042.69 : 7,530.04 = 4,120.07 : x
  2. Step 2: Convert to fraction form
    5,042.69/7,530.04 = 4,120.07/x
  3. Step 3: Cross multiply
    5,042.69x = 7,530.04 × 4,120.07
  4. Step 4: Simplify right side
    5,042.69x = 31,024,291.90
  5. Step 5: Solve for x
    x = 31,024,291.90/5,042.69
  6. Step 6: Final answer
    x = 6,152.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.