Home / 4,349.72-6,525.10-1,428.36

Finding the Fourth Proportional to 4,349.72, 6,525.10 and 1,428.36

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Solution

The fourth proportional to 4,349.72, 6,525.10 and 1,428.36 is: 2,142.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,349.72 : 6,525.10 = 1,428.36 : x
  2. Step 2: Convert to fraction form
    4,349.72/6,525.10 = 1,428.36/x
  3. Step 3: Cross multiply
    4,349.72x = 6,525.10 × 1,428.36
  4. Step 4: Simplify right side
    4,349.72x = 9,320,191.84
  5. Step 5: Solve for x
    x = 9,320,191.84/4,349.72
  6. Step 6: Final answer
    x = 2,142.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.