Home / 5,097.93-7,031.09-4,212.20

Finding the Fourth Proportional to 5,097.93, 7,031.09 and 4,212.20

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Solution

The fourth proportional to 5,097.93, 7,031.09 and 4,212.20 is: 5,809.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,097.93 : 7,031.09 = 4,212.20 : x
  2. Step 2: Convert to fraction form
    5,097.93/7,031.09 = 4,212.20/x
  3. Step 3: Cross multiply
    5,097.93x = 7,031.09 × 4,212.20
  4. Step 4: Simplify right side
    5,097.93x = 29,616,329.19
  5. Step 5: Solve for x
    x = 29,616,329.19/5,097.93
  6. Step 6: Final answer
    x = 5,809.48

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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.