Home / 3,575.43-5,384.10-3,118.67

Finding the Fourth Proportional to 3,575.43, 5,384.10 and 3,118.67

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Solution

The fourth proportional to 3,575.43, 5,384.10 and 3,118.67 is: 4,696.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,575.43 : 5,384.10 = 3,118.67 : x
  2. Step 2: Convert to fraction form
    3,575.43/5,384.10 = 3,118.67/x
  3. Step 3: Cross multiply
    3,575.43x = 5,384.10 × 3,118.67
  4. Step 4: Simplify right side
    3,575.43x = 16,791,204.23
  5. Step 5: Solve for x
    x = 16,791,204.23/3,575.43
  6. Step 6: Final answer
    x = 4,696.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.