Home / 5,133.60-7,695.18-2,211.12

Finding the Fourth Proportional to 5,133.60, 7,695.18 and 2,211.12

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Solution

The fourth proportional to 5,133.60, 7,695.18 and 2,211.12 is: 3,314.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.60 : 7,695.18 = 2,211.12 : x
  2. Step 2: Convert to fraction form
    5,133.60/7,695.18 = 2,211.12/x
  3. Step 3: Cross multiply
    5,133.60x = 7,695.18 × 2,211.12
  4. Step 4: Simplify right side
    5,133.60x = 17,014,966.40
  5. Step 5: Solve for x
    x = 17,014,966.40/5,133.60
  6. Step 6: Final answer
    x = 3,314.43

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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.