Home / 7,090.07-10,641.68-3,582.55

Finding the Fourth Proportional to 7,090.07, 10,641.68 and 3,582.55

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Solution

The fourth proportional to 7,090.07, 10,641.68 and 3,582.55 is: 5,377.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.07 : 10,641.68 = 3,582.55 : x
  2. Step 2: Convert to fraction form
    7,090.07/10,641.68 = 3,582.55/x
  3. Step 3: Cross multiply
    7,090.07x = 10,641.68 × 3,582.55
  4. Step 4: Simplify right side
    7,090.07x = 38,124,299.65
  5. Step 5: Solve for x
    x = 38,124,299.65/7,090.07
  6. Step 6: Final answer
    x = 5,377.14

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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.