Home / 3,816.12-5,263.26-2,490.24

Finding the Fourth Proportional to 3,816.12, 5,263.26 and 2,490.24

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Solution

The fourth proportional to 3,816.12, 5,263.26 and 2,490.24 is: 3,434.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.12 : 5,263.26 = 2,490.24 : x
  2. Step 2: Convert to fraction form
    3,816.12/5,263.26 = 2,490.24/x
  3. Step 3: Cross multiply
    3,816.12x = 5,263.26 × 2,490.24
  4. Step 4: Simplify right side
    3,816.12x = 13,106,780.58
  5. Step 5: Solve for x
    x = 13,106,780.58/3,816.12
  6. Step 6: Final answer
    x = 3,434.58

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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.