Home / 5,808.81-8,712.40-2,345.25

Finding the Fourth Proportional to 5,808.81, 8,712.40 and 2,345.25

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Solution

The fourth proportional to 5,808.81, 8,712.40 and 2,345.25 is: 3,517.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,808.81 : 8,712.40 = 2,345.25 : x
  2. Step 2: Convert to fraction form
    5,808.81/8,712.40 = 2,345.25/x
  3. Step 3: Cross multiply
    5,808.81x = 8,712.40 × 2,345.25
  4. Step 4: Simplify right side
    5,808.81x = 20,432,756.10
  5. Step 5: Solve for x
    x = 20,432,756.10/5,808.81
  6. Step 6: Final answer
    x = 3,517.55

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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.