Home / 5,421.13-7,481.16-2,937.13

Finding the Fourth Proportional to 5,421.13, 7,481.16 and 2,937.13

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Solution

The fourth proportional to 5,421.13, 7,481.16 and 2,937.13 is: 4,053.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421.13 : 7,481.16 = 2,937.13 : x
  2. Step 2: Convert to fraction form
    5,421.13/7,481.16 = 2,937.13/x
  3. Step 3: Cross multiply
    5,421.13x = 7,481.16 × 2,937.13
  4. Step 4: Simplify right side
    5,421.13x = 21,973,087.38
  5. Step 5: Solve for x
    x = 21,973,087.38/5,421.13
  6. Step 6: Final answer
    x = 4,053.23

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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.