Home / 7,540.03-10,398.43-4,707.66

Finding the Fourth Proportional to 7,540.03, 10,398.43 and 4,707.66

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Solution

The fourth proportional to 7,540.03, 10,398.43 and 4,707.66 is: 6,492.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,540.03 : 10,398.43 = 4,707.66 : x
  2. Step 2: Convert to fraction form
    7,540.03/10,398.43 = 4,707.66/x
  3. Step 3: Cross multiply
    7,540.03x = 10,398.43 × 4,707.66
  4. Step 4: Simplify right side
    7,540.03x = 48,952,249.44
  5. Step 5: Solve for x
    x = 48,952,249.44/7,540.03
  6. Step 6: Final answer
    x = 6,492.31

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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.