Home / 2,972.10-4,101.44-1,713.15

Finding the Fourth Proportional to 2,972.10, 4,101.44 and 1,713.15

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Solution

The fourth proportional to 2,972.10, 4,101.44 and 1,713.15 is: 2,364.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.10 : 4,101.44 = 1,713.15 : x
  2. Step 2: Convert to fraction form
    2,972.10/4,101.44 = 1,713.15/x
  3. Step 3: Cross multiply
    2,972.10x = 4,101.44 × 1,713.15
  4. Step 4: Simplify right side
    2,972.10x = 7,026,373.37
  5. Step 5: Solve for x
    x = 7,026,373.37/2,972.10
  6. Step 6: Final answer
    x = 2,364.11

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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.