Home / 2,625.48-3,622.23-1,681.42

Finding the Fourth Proportional to 2,625.48, 3,622.23 and 1,681.42

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Solution

The fourth proportional to 2,625.48, 3,622.23 and 1,681.42 is: 2,319.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.48 : 3,622.23 = 1,681.42 : x
  2. Step 2: Convert to fraction form
    2,625.48/3,622.23 = 1,681.42/x
  3. Step 3: Cross multiply
    2,625.48x = 3,622.23 × 1,681.42
  4. Step 4: Simplify right side
    2,625.48x = 6,090,489.97
  5. Step 5: Solve for x
    x = 6,090,489.97/2,625.48
  6. Step 6: Final answer
    x = 2,319.76

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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.