Home / 2,088.91-3,133.95-1,047.65

Finding the Fourth Proportional to 2,088.91, 3,133.95 and 1,047.65

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Solution

The fourth proportional to 2,088.91, 3,133.95 and 1,047.65 is: 1,571.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.91 : 3,133.95 = 1,047.65 : x
  2. Step 2: Convert to fraction form
    2,088.91/3,133.95 = 1,047.65/x
  3. Step 3: Cross multiply
    2,088.91x = 3,133.95 × 1,047.65
  4. Step 4: Simplify right side
    2,088.91x = 3,283,282.72
  5. Step 5: Solve for x
    x = 3,283,282.72/2,088.91
  6. Step 6: Final answer
    x = 1,571.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.