Home / 5,459.28-7,533.78-3,101.76

Finding the Fourth Proportional to 5,459.28, 7,533.78 and 3,101.76

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Solution

The fourth proportional to 5,459.28, 7,533.78 and 3,101.76 is: 4,280.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.28 : 7,533.78 = 3,101.76 : x
  2. Step 2: Convert to fraction form
    5,459.28/7,533.78 = 3,101.76/x
  3. Step 3: Cross multiply
    5,459.28x = 7,533.78 × 3,101.76
  4. Step 4: Simplify right side
    5,459.28x = 23,367,977.45
  5. Step 5: Solve for x
    x = 23,367,977.45/5,459.28
  6. Step 6: Final answer
    x = 4,280.41

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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.