Home / 2,480.28-3,423.38-1,684.93

Finding the Fourth Proportional to 2,480.28, 3,423.38 and 1,684.93

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Solution

The fourth proportional to 2,480.28, 3,423.38 and 1,684.93 is: 2,325.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480.28 : 3,423.38 = 1,684.93 : x
  2. Step 2: Convert to fraction form
    2,480.28/3,423.38 = 1,684.93/x
  3. Step 3: Cross multiply
    2,480.28x = 3,423.38 × 1,684.93
  4. Step 4: Simplify right side
    2,480.28x = 5,768,138.55
  5. Step 5: Solve for x
    x = 5,768,138.55/2,480.28
  6. Step 6: Final answer
    x = 2,325.60

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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.