Home / 1,724.03-2,379.21-1,015.94

Finding the Fourth Proportional to 1,724.03, 2,379.21 and 1,015.94

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Solution

The fourth proportional to 1,724.03, 2,379.21 and 1,015.94 is: 1,402.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724.03 : 2,379.21 = 1,015.94 : x
  2. Step 2: Convert to fraction form
    1,724.03/2,379.21 = 1,015.94/x
  3. Step 3: Cross multiply
    1,724.03x = 2,379.21 × 1,015.94
  4. Step 4: Simplify right side
    1,724.03x = 2,417,134.61
  5. Step 5: Solve for x
    x = 2,417,134.61/1,724.03
  6. Step 6: Final answer
    x = 1,402.03

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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.