Home / 1,712.10-2,362.70-926.14

Finding the Fourth Proportional to 1,712.10, 2,362.70 and 926.14

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Solution

The fourth proportional to 1,712.10, 2,362.70 and 926.14 is: 1,278.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712.10 : 2,362.70 = 926.14 : x
  2. Step 2: Convert to fraction form
    1,712.10/2,362.70 = 926.14/x
  3. Step 3: Cross multiply
    1,712.10x = 2,362.70 × 926.14
  4. Step 4: Simplify right side
    1,712.10x = 2,188,190.98
  5. Step 5: Solve for x
    x = 2,188,190.98/1,712.10
  6. Step 6: Final answer
    x = 1,278.07

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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.