Home / 5,712.63-7,885.60-3,723.67

Finding the Fourth Proportional to 5,712.63, 7,885.60 and 3,723.67

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Solution

The fourth proportional to 5,712.63, 7,885.60 and 3,723.67 is: 5,140.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.63 : 7,885.60 = 3,723.67 : x
  2. Step 2: Convert to fraction form
    5,712.63/7,885.60 = 3,723.67/x
  3. Step 3: Cross multiply
    5,712.63x = 7,885.60 × 3,723.67
  4. Step 4: Simplify right side
    5,712.63x = 29,363,393.65
  5. Step 5: Solve for x
    x = 29,363,393.65/5,712.63
  6. Step 6: Final answer
    x = 5,140.09

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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.