Home / 5,048.55-7,572.81-2,124.99

Finding the Fourth Proportional to 5,048.55, 7,572.81 and 2,124.99

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Solution

The fourth proportional to 5,048.55, 7,572.81 and 2,124.99 is: 3,187.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,048.55 : 7,572.81 = 2,124.99 : x
  2. Step 2: Convert to fraction form
    5,048.55/7,572.81 = 2,124.99/x
  3. Step 3: Cross multiply
    5,048.55x = 7,572.81 × 2,124.99
  4. Step 4: Simplify right side
    5,048.55x = 16,092,145.52
  5. Step 5: Solve for x
    x = 16,092,145.52/5,048.55
  6. Step 6: Final answer
    x = 3,187.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.