Home / 3,124.04-4,314.72-2,127.59

Finding the Fourth Proportional to 3,124.04, 4,314.72 and 2,127.59

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Solution

The fourth proportional to 3,124.04, 4,314.72 and 2,127.59 is: 2,938.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.04 : 4,314.72 = 2,127.59 : x
  2. Step 2: Convert to fraction form
    3,124.04/4,314.72 = 2,127.59/x
  3. Step 3: Cross multiply
    3,124.04x = 4,314.72 × 2,127.59
  4. Step 4: Simplify right side
    3,124.04x = 9,179,955.12
  5. Step 5: Solve for x
    x = 9,179,955.12/3,124.04
  6. Step 6: Final answer
    x = 2,938.49

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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.