Home / 3,038.51-4,192.97-1,712.14

Finding the Fourth Proportional to 3,038.51, 4,192.97 and 1,712.14

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Solution

The fourth proportional to 3,038.51, 4,192.97 and 1,712.14 is: 2,362.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.51 : 4,192.97 = 1,712.14 : x
  2. Step 2: Convert to fraction form
    3,038.51/4,192.97 = 1,712.14/x
  3. Step 3: Cross multiply
    3,038.51x = 4,192.97 × 1,712.14
  4. Step 4: Simplify right side
    3,038.51x = 7,178,932.61
  5. Step 5: Solve for x
    x = 7,178,932.61/3,038.51
  6. Step 6: Final answer
    x = 2,362.65

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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.