Home / 2,955.94-4,080.05-1,836.32

Finding the Fourth Proportional to 2,955.94, 4,080.05 and 1,836.32

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Solution

The fourth proportional to 2,955.94, 4,080.05 and 1,836.32 is: 2,534.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.94 : 4,080.05 = 1,836.32 : x
  2. Step 2: Convert to fraction form
    2,955.94/4,080.05 = 1,836.32/x
  3. Step 3: Cross multiply
    2,955.94x = 4,080.05 × 1,836.32
  4. Step 4: Simplify right side
    2,955.94x = 7,492,272.51
  5. Step 5: Solve for x
    x = 7,492,272.51/2,955.94
  6. Step 6: Final answer
    x = 2,534.65

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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.