Home / 5,430.16-7,496.99-4,168.81

Finding the Fourth Proportional to 5,430.16, 7,496.99 and 4,168.81

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Solution

The fourth proportional to 5,430.16, 7,496.99 and 4,168.81 is: 5,755.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430.16 : 7,496.99 = 4,168.81 : x
  2. Step 2: Convert to fraction form
    5,430.16/7,496.99 = 4,168.81/x
  3. Step 3: Cross multiply
    5,430.16x = 7,496.99 × 4,168.81
  4. Step 4: Simplify right side
    5,430.16x = 31,253,526.88
  5. Step 5: Solve for x
    x = 31,253,526.88/5,430.16
  6. Step 6: Final answer
    x = 5,755.54

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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.