Home / 5,281.92-7,288.98-3,043.76

Finding the Fourth Proportional to 5,281.92, 7,288.98 and 3,043.76

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Solution

The fourth proportional to 5,281.92, 7,288.98 and 3,043.76 is: 4,200.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.92 : 7,288.98 = 3,043.76 : x
  2. Step 2: Convert to fraction form
    5,281.92/7,288.98 = 3,043.76/x
  3. Step 3: Cross multiply
    5,281.92x = 7,288.98 × 3,043.76
  4. Step 4: Simplify right side
    5,281.92x = 22,185,869.32
  5. Step 5: Solve for x
    x = 22,185,869.32/5,281.92
  6. Step 6: Final answer
    x = 4,200.34

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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.