Home / 5,430.09-7,493.67-3,039.99

Finding the Fourth Proportional to 5,430.09, 7,493.67 and 3,039.99

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Solution

The fourth proportional to 5,430.09, 7,493.67 and 3,039.99 is: 4,195.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430.09 : 7,493.67 = 3,039.99 : x
  2. Step 2: Convert to fraction form
    5,430.09/7,493.67 = 3,039.99/x
  3. Step 3: Cross multiply
    5,430.09x = 7,493.67 × 3,039.99
  4. Step 4: Simplify right side
    5,430.09x = 22,780,681.86
  5. Step 5: Solve for x
    x = 22,780,681.86/5,430.09
  6. Step 6: Final answer
    x = 4,195.27

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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.