Home / 2,459.36-3,390.60-2,382.92

Finding the Fourth Proportional to 2,459.36, 3,390.60 and 2,382.92

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Solution

The fourth proportional to 2,459.36, 3,390.60 and 2,382.92 is: 3,285.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,459.36 : 3,390.60 = 2,382.92 : x
  2. Step 2: Convert to fraction form
    2,459.36/3,390.60 = 2,382.92/x
  3. Step 3: Cross multiply
    2,459.36x = 3,390.60 × 2,382.92
  4. Step 4: Simplify right side
    2,459.36x = 8,079,528.55
  5. Step 5: Solve for x
    x = 8,079,528.55/2,459.36
  6. Step 6: Final answer
    x = 3,285.22

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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.