Home / 5,810.60-8,719.56-2,113.08

Finding the Fourth Proportional to 5,810.60, 8,719.56 and 2,113.08

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Solution

The fourth proportional to 5,810.60, 8,719.56 and 2,113.08 is: 3,170.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,810.60 : 8,719.56 = 2,113.08 : x
  2. Step 2: Convert to fraction form
    5,810.60/8,719.56 = 2,113.08/x
  3. Step 3: Cross multiply
    5,810.60x = 8,719.56 × 2,113.08
  4. Step 4: Simplify right side
    5,810.60x = 18,425,127.84
  5. Step 5: Solve for x
    x = 18,425,127.84/5,810.60
  6. Step 6: Final answer
    x = 3,170.95

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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.