Home / 2,264.14-3,124.79-1,380.07

Finding the Fourth Proportional to 2,264.14, 3,124.79 and 1,380.07

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Solution

The fourth proportional to 2,264.14, 3,124.79 and 1,380.07 is: 1,904.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,264.14 : 3,124.79 = 1,380.07 : x
  2. Step 2: Convert to fraction form
    2,264.14/3,124.79 = 1,380.07/x
  3. Step 3: Cross multiply
    2,264.14x = 3,124.79 × 1,380.07
  4. Step 4: Simplify right side
    2,264.14x = 4,312,428.94
  5. Step 5: Solve for x
    x = 4,312,428.94/2,264.14
  6. Step 6: Final answer
    x = 1,904.67

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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.