Home / 2,625.40-3,938.10-2,465.02

Finding the Fourth Proportional to 2,625.40, 3,938.10 and 2,465.02

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Solution

The fourth proportional to 2,625.40, 3,938.10 and 2,465.02 is: 3,697.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.40 : 3,938.10 = 2,465.02 : x
  2. Step 2: Convert to fraction form
    2,625.40/3,938.10 = 2,465.02/x
  3. Step 3: Cross multiply
    2,625.40x = 3,938.10 × 2,465.02
  4. Step 4: Simplify right side
    2,625.40x = 9,707,463.25
  5. Step 5: Solve for x
    x = 9,707,463.25/2,625.40
  6. Step 6: Final answer
    x = 3,697.52

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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.