Home / 5,133.24-7,089.12-4,423.68

Finding the Fourth Proportional to 5,133.24, 7,089.12 and 4,423.68

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Solution

The fourth proportional to 5,133.24, 7,089.12 and 4,423.68 is: 6,109.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.24 : 7,089.12 = 4,423.68 : x
  2. Step 2: Convert to fraction form
    5,133.24/7,089.12 = 4,423.68/x
  3. Step 3: Cross multiply
    5,133.24x = 7,089.12 × 4,423.68
  4. Step 4: Simplify right side
    5,133.24x = 31,359,998.36
  5. Step 5: Solve for x
    x = 31,359,998.36/5,133.24
  6. Step 6: Final answer
    x = 6,109.20

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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.