Home / 2,799.12-3,861.96-1,737.67

Finding the Fourth Proportional to 2,799.12, 3,861.96 and 1,737.67

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Solution

The fourth proportional to 2,799.12, 3,861.96 and 1,737.67 is: 2,397.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.12 : 3,861.96 = 1,737.67 : x
  2. Step 2: Convert to fraction form
    2,799.12/3,861.96 = 1,737.67/x
  3. Step 3: Cross multiply
    2,799.12x = 3,861.96 × 1,737.67
  4. Step 4: Simplify right side
    2,799.12x = 6,710,812.03
  5. Step 5: Solve for x
    x = 6,710,812.03/2,799.12
  6. Step 6: Final answer
    x = 2,397.47

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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.