Home / 5,280.70-7,289.18-3,043.46

Finding the Fourth Proportional to 5,280.70, 7,289.18 and 3,043.46

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Solution

The fourth proportional to 5,280.70, 7,289.18 and 3,043.46 is: 4,201.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.70 : 7,289.18 = 3,043.46 : x
  2. Step 2: Convert to fraction form
    5,280.70/7,289.18 = 3,043.46/x
  3. Step 3: Cross multiply
    5,280.70x = 7,289.18 × 3,043.46
  4. Step 4: Simplify right side
    5,280.70x = 22,184,327.76
  5. Step 5: Solve for x
    x = 22,184,327.76/5,280.70
  6. Step 6: Final answer
    x = 4,201.02

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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.