Home / 5,180.04-7,148.36-2,822.14

Finding the Fourth Proportional to 5,180.04, 7,148.36 and 2,822.14

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Solution

The fourth proportional to 5,180.04, 7,148.36 and 2,822.14 is: 3,894.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.04 : 7,148.36 = 2,822.14 : x
  2. Step 2: Convert to fraction form
    5,180.04/7,148.36 = 2,822.14/x
  3. Step 3: Cross multiply
    5,180.04x = 7,148.36 × 2,822.14
  4. Step 4: Simplify right side
    5,180.04x = 20,173,672.69
  5. Step 5: Solve for x
    x = 20,173,672.69/5,180.04
  6. Step 6: Final answer
    x = 3,894.50

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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.