Home / 1,715.88-2,366.10-1,273.08

Finding the Fourth Proportional to 1,715.88, 2,366.10 and 1,273.08

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Solution

The fourth proportional to 1,715.88, 2,366.10 and 1,273.08 is: 1,755.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715.88 : 2,366.10 = 1,273.08 : x
  2. Step 2: Convert to fraction form
    1,715.88/2,366.10 = 1,273.08/x
  3. Step 3: Cross multiply
    1,715.88x = 2,366.10 × 1,273.08
  4. Step 4: Simplify right side
    1,715.88x = 3,012,234.59
  5. Step 5: Solve for x
    x = 3,012,234.59/1,715.88
  6. Step 6: Final answer
    x = 1,755.50

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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.