Home / 3,089.70-4,260.08-2,458.32

Finding the Fourth Proportional to 3,089.70, 4,260.08 and 2,458.32

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Solution

The fourth proportional to 3,089.70, 4,260.08 and 2,458.32 is: 3,389.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.70 : 4,260.08 = 2,458.32 : x
  2. Step 2: Convert to fraction form
    3,089.70/4,260.08 = 2,458.32/x
  3. Step 3: Cross multiply
    3,089.70x = 4,260.08 × 2,458.32
  4. Step 4: Simplify right side
    3,089.70x = 10,472,639.87
  5. Step 5: Solve for x
    x = 10,472,639.87/3,089.70
  6. Step 6: Final answer
    x = 3,389.53

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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.