Home / 5,430.82-7,489.58-4,593.28

Finding the Fourth Proportional to 5,430.82, 7,489.58 and 4,593.28

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Solution

The fourth proportional to 5,430.82, 7,489.58 and 4,593.28 is: 6,334.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430.82 : 7,489.58 = 4,593.28 : x
  2. Step 2: Convert to fraction form
    5,430.82/7,489.58 = 4,593.28/x
  3. Step 3: Cross multiply
    5,430.82x = 7,489.58 × 4,593.28
  4. Step 4: Simplify right side
    5,430.82x = 34,401,738.02
  5. Step 5: Solve for x
    x = 34,401,738.02/5,430.82
  6. Step 6: Final answer
    x = 6,334.54

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Double scale
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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.