Home / 5,724.65-8,587.88-1,828.14

Finding the Fourth Proportional to 5,724.65, 8,587.88 and 1,828.14

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Solution

The fourth proportional to 5,724.65, 8,587.88 and 1,828.14 is: 2,742.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,724.65 : 8,587.88 = 1,828.14 : x
  2. Step 2: Convert to fraction form
    5,724.65/8,587.88 = 1,828.14/x
  3. Step 3: Cross multiply
    5,724.65x = 8,587.88 × 1,828.14
  4. Step 4: Simplify right side
    5,724.65x = 15,699,837.80
  5. Step 5: Solve for x
    x = 15,699,837.80/5,724.65
  6. Step 6: Final answer
    x = 2,742.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.