Home / 1,922.54-2,653.10-1,038.34

Finding the Fourth Proportional to 1,922.54, 2,653.10 and 1,038.34

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Solution

The fourth proportional to 1,922.54, 2,653.10 and 1,038.34 is: 1,432.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.54 : 2,653.10 = 1,038.34 : x
  2. Step 2: Convert to fraction form
    1,922.54/2,653.10 = 1,038.34/x
  3. Step 3: Cross multiply
    1,922.54x = 2,653.10 × 1,038.34
  4. Step 4: Simplify right side
    1,922.54x = 2,754,810.63
  5. Step 5: Solve for x
    x = 2,754,810.63/1,922.54
  6. Step 6: Final answer
    x = 1,432.91

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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.