Home / 7,514.50-10,370.49-4,202.50

Finding the Fourth Proportional to 7,514.50, 10,370.49 and 4,202.50

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Solution

The fourth proportional to 7,514.50, 10,370.49 and 4,202.50 is: 5,799.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,514.50 : 10,370.49 = 4,202.50 : x
  2. Step 2: Convert to fraction form
    7,514.50/10,370.49 = 4,202.50/x
  3. Step 3: Cross multiply
    7,514.50x = 10,370.49 × 4,202.50
  4. Step 4: Simplify right side
    7,514.50x = 43,581,984.23
  5. Step 5: Solve for x
    x = 43,581,984.23/7,514.50
  6. Step 6: Final answer
    x = 5,799.72

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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.