Home / 7,388.79-10,196.75-4,031.75

Finding the Fourth Proportional to 7,388.79, 10,196.75 and 4,031.75

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Solution

The fourth proportional to 7,388.79, 10,196.75 and 4,031.75 is: 5,563.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388.79 : 10,196.75 = 4,031.75 : x
  2. Step 2: Convert to fraction form
    7,388.79/10,196.75 = 4,031.75/x
  3. Step 3: Cross multiply
    7,388.79x = 10,196.75 × 4,031.75
  4. Step 4: Simplify right side
    7,388.79x = 41,110,675.67
  5. Step 5: Solve for x
    x = 41,110,675.67/7,388.79
  6. Step 6: Final answer
    x = 5,563.93

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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.