Home / 2,699.13-4,025.22-2,400.48

Finding the Fourth Proportional to 2,699.13, 4,025.22 and 2,400.48

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Solution

The fourth proportional to 2,699.13, 4,025.22 and 2,400.48 is: 3,579.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,699.13 : 4,025.22 = 2,400.48 : x
  2. Step 2: Convert to fraction form
    2,699.13/4,025.22 = 2,400.48/x
  3. Step 3: Cross multiply
    2,699.13x = 4,025.22 × 2,400.48
  4. Step 4: Simplify right side
    2,699.13x = 9,662,460.11
  5. Step 5: Solve for x
    x = 9,662,460.11/2,699.13
  6. Step 6: Final answer
    x = 3,579.84

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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.