Home / 1,838.88-2,534.40-1,624.32

Finding the Fourth Proportional to 1,838.88, 2,534.40 and 1,624.32

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Solution

The fourth proportional to 1,838.88, 2,534.40 and 1,624.32 is: 2,238.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838.88 : 2,534.40 = 1,624.32 : x
  2. Step 2: Convert to fraction form
    1,838.88/2,534.40 = 1,624.32/x
  3. Step 3: Cross multiply
    1,838.88x = 2,534.40 × 1,624.32
  4. Step 4: Simplify right side
    1,838.88x = 4,116,676.61
  5. Step 5: Solve for x
    x = 4,116,676.61/1,838.88
  6. Step 6: Final answer
    x = 2,238.69

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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.