Home / 5,599.96-7,718.42-3,828.50

Finding the Fourth Proportional to 5,599.96, 7,718.42 and 3,828.50

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Solution

The fourth proportional to 5,599.96, 7,718.42 and 3,828.50 is: 5,276.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,599.96 : 7,718.42 = 3,828.50 : x
  2. Step 2: Convert to fraction form
    5,599.96/7,718.42 = 3,828.50/x
  3. Step 3: Cross multiply
    5,599.96x = 7,718.42 × 3,828.50
  4. Step 4: Simplify right side
    5,599.96x = 29,549,970.97
  5. Step 5: Solve for x
    x = 29,549,970.97/5,599.96
  6. Step 6: Final answer
    x = 5,276.82

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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.