Home / 5,430.94-7,494.49-3,073.13

Finding the Fourth Proportional to 5,430.94, 7,494.49 and 3,073.13

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Solution

The fourth proportional to 5,430.94, 7,494.49 and 3,073.13 is: 4,240.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430.94 : 7,494.49 = 3,073.13 : x
  2. Step 2: Convert to fraction form
    5,430.94/7,494.49 = 3,073.13/x
  3. Step 3: Cross multiply
    5,430.94x = 7,494.49 × 3,073.13
  4. Step 4: Simplify right side
    5,430.94x = 23,031,526.69
  5. Step 5: Solve for x
    x = 23,031,526.69/5,430.94
  6. Step 6: Final answer
    x = 4,240.80

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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.