Home / 5,421.08-7,481.04-2,937.08

Finding the Fourth Proportional to 5,421.08, 7,481.04 and 2,937.08

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Solution

The fourth proportional to 5,421.08, 7,481.04 and 2,937.08 is: 4,053.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421.08 : 7,481.04 = 2,937.08 : x
  2. Step 2: Convert to fraction form
    5,421.08/7,481.04 = 2,937.08/x
  3. Step 3: Cross multiply
    5,421.08x = 7,481.04 × 2,937.08
  4. Step 4: Simplify right side
    5,421.08x = 21,972,420.65
  5. Step 5: Solve for x
    x = 21,972,420.65/5,421.08
  6. Step 6: Final answer
    x = 4,053.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.