Home / 1,724.22-2,379.36-1,016.15

Finding the Fourth Proportional to 1,724.22, 2,379.36 and 1,016.15

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Solution

The fourth proportional to 1,724.22, 2,379.36 and 1,016.15 is: 1,402.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724.22 : 2,379.36 = 1,016.15 : x
  2. Step 2: Convert to fraction form
    1,724.22/2,379.36 = 1,016.15/x
  3. Step 3: Cross multiply
    1,724.22x = 2,379.36 × 1,016.15
  4. Step 4: Simplify right side
    1,724.22x = 2,417,774.77
  5. Step 5: Solve for x
    x = 2,417,774.77/1,724.22
  6. Step 6: Final answer
    x = 1,402.24

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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.