Home / 5,380.52-8,071.20-4,735.76

Finding the Fourth Proportional to 5,380.52, 8,071.20 and 4,735.76

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Solution

The fourth proportional to 5,380.52, 8,071.20 and 4,735.76 is: 7,104.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380.52 : 8,071.20 = 4,735.76 : x
  2. Step 2: Convert to fraction form
    5,380.52/8,071.20 = 4,735.76/x
  3. Step 3: Cross multiply
    5,380.52x = 8,071.20 × 4,735.76
  4. Step 4: Simplify right side
    5,380.52x = 38,223,266.11
  5. Step 5: Solve for x
    x = 38,223,266.11/5,380.52
  6. Step 6: Final answer
    x = 7,104.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.