Home / 3,043.28-4,200.72-2,377.46

Finding the Fourth Proportional to 3,043.28, 4,200.72 and 2,377.46

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Solution

The fourth proportional to 3,043.28, 4,200.72 and 2,377.46 is: 3,281.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,043.28 : 4,200.72 = 2,377.46 : x
  2. Step 2: Convert to fraction form
    3,043.28/4,200.72 = 2,377.46/x
  3. Step 3: Cross multiply
    3,043.28x = 4,200.72 × 2,377.46
  4. Step 4: Simplify right side
    3,043.28x = 9,987,043.77
  5. Step 5: Solve for x
    x = 9,987,043.77/3,043.28
  6. Step 6: Final answer
    x = 3,281.67

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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.