Home / 2,480.18-3,418.14-2,409.10

Finding the Fourth Proportional to 2,480.18, 3,418.14 and 2,409.10

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Solution

The fourth proportional to 2,480.18, 3,418.14 and 2,409.10 is: 3,320.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480.18 : 3,418.14 = 2,409.10 : x
  2. Step 2: Convert to fraction form
    2,480.18/3,418.14 = 2,409.10/x
  3. Step 3: Cross multiply
    2,480.18x = 3,418.14 × 2,409.10
  4. Step 4: Simplify right side
    2,480.18x = 8,234,641.07
  5. Step 5: Solve for x
    x = 8,234,641.07/2,480.18
  6. Step 6: Final answer
    x = 3,320.18

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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.