Home / 4,325.52-6,456.90-4,021.20

Finding the Fourth Proportional to 4,325.52, 6,456.90 and 4,021.20

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Solution

The fourth proportional to 4,325.52, 6,456.90 and 4,021.20 is: 6,002.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,325.52 : 6,456.90 = 4,021.20 : x
  2. Step 2: Convert to fraction form
    4,325.52/6,456.90 = 4,021.20/x
  3. Step 3: Cross multiply
    4,325.52x = 6,456.90 × 4,021.20
  4. Step 4: Simplify right side
    4,325.52x = 25,964,486.28
  5. Step 5: Solve for x
    x = 25,964,486.28/4,325.52
  6. Step 6: Final answer
    x = 6,002.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.