Home / 1,724.50-2,379.76-1,052.92

Finding the Fourth Proportional to 1,724.50, 2,379.76 and 1,052.92

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Solution

The fourth proportional to 1,724.50, 2,379.76 and 1,052.92 is: 1,453.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724.50 : 2,379.76 = 1,052.92 : x
  2. Step 2: Convert to fraction form
    1,724.50/2,379.76 = 1,052.92/x
  3. Step 3: Cross multiply
    1,724.50x = 2,379.76 × 1,052.92
  4. Step 4: Simplify right side
    1,724.50x = 2,505,696.90
  5. Step 5: Solve for x
    x = 2,505,696.90/1,724.50
  6. Step 6: Final answer
    x = 1,453.00

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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.