Home / 5,973-8,247.60-5,179.20

Finding the Fourth Proportional to 5,973, 8,247.60 and 5,179.20

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Solution

The fourth proportional to 5,973, 8,247.60 and 5,179.20 is: 7,151.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,973 : 8,247.60 = 5,179.20 : x
  2. Step 2: Convert to fraction form
    5,973/8,247.60 = 5,179.20/x
  3. Step 3: Cross multiply
    5,973x = 8,247.60 × 5,179.20
  4. Step 4: Simplify right side
    5,973x = 42,715,969.92
  5. Step 5: Solve for x
    x = 42,715,969.92/5,973
  6. Step 6: Final answer
    x = 7,151.51

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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.