Home / 5,973.60-8,230.80-4,399.20

Finding the Fourth Proportional to 5,973.60, 8,230.80 and 4,399.20

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Solution

The fourth proportional to 5,973.60, 8,230.80 and 4,399.20 is: 6,061.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,973.60 : 8,230.80 = 4,399.20 : x
  2. Step 2: Convert to fraction form
    5,973.60/8,230.80 = 4,399.20/x
  3. Step 3: Cross multiply
    5,973.60x = 8,230.80 × 4,399.20
  4. Step 4: Simplify right side
    5,973.60x = 36,208,935.36
  5. Step 5: Solve for x
    x = 36,208,935.36/5,973.60
  6. Step 6: Final answer
    x = 6,061.49

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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.