Home / 5,180.04-7,149.56-3,411.80

Finding the Fourth Proportional to 5,180.04, 7,149.56 and 3,411.80

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Solution

The fourth proportional to 5,180.04, 7,149.56 and 3,411.80 is: 4,709.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.04 : 7,149.56 = 3,411.80 : x
  2. Step 2: Convert to fraction form
    5,180.04/7,149.56 = 3,411.80/x
  3. Step 3: Cross multiply
    5,180.04x = 7,149.56 × 3,411.80
  4. Step 4: Simplify right side
    5,180.04x = 24,392,868.81
  5. Step 5: Solve for x
    x = 24,392,868.81/5,180.04
  6. Step 6: Final answer
    x = 4,709.01

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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.