Home / 4,275.23-6,412.85-3,415.01

Finding the Fourth Proportional to 4,275.23, 6,412.85 and 3,415.01

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Solution

The fourth proportional to 4,275.23, 6,412.85 and 3,415.01 is: 5,122.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,275.23 : 6,412.85 = 3,415.01 : x
  2. Step 2: Convert to fraction form
    4,275.23/6,412.85 = 3,415.01/x
  3. Step 3: Cross multiply
    4,275.23x = 6,412.85 × 3,415.01
  4. Step 4: Simplify right side
    4,275.23x = 21,899,971.45
  5. Step 5: Solve for x
    x = 21,899,971.45/4,275.23
  6. Step 6: Final answer
    x = 5,122.52

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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.