Home / 5,682.69-8,525.40-1,787.10

Finding the Fourth Proportional to 5,682.69, 8,525.40 and 1,787.10

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Solution

The fourth proportional to 5,682.69, 8,525.40 and 1,787.10 is: 2,681.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,682.69 : 8,525.40 = 1,787.10 : x
  2. Step 2: Convert to fraction form
    5,682.69/8,525.40 = 1,787.10/x
  3. Step 3: Cross multiply
    5,682.69x = 8,525.40 × 1,787.10
  4. Step 4: Simplify right side
    5,682.69x = 15,235,742.34
  5. Step 5: Solve for x
    x = 15,235,742.34/5,682.69
  6. Step 6: Final answer
    x = 2,681.08

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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.