Home / 5,367.12-7,406.56-3,009.21

Finding the Fourth Proportional to 5,367.12, 7,406.56 and 3,009.21

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Solution

The fourth proportional to 5,367.12, 7,406.56 and 3,009.21 is: 4,152.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,367.12 : 7,406.56 = 3,009.21 : x
  2. Step 2: Convert to fraction form
    5,367.12/7,406.56 = 3,009.21/x
  3. Step 3: Cross multiply
    5,367.12x = 7,406.56 × 3,009.21
  4. Step 4: Simplify right side
    5,367.12x = 22,287,894.42
  5. Step 5: Solve for x
    x = 22,287,894.42/5,367.12
  6. Step 6: Final answer
    x = 4,152.67

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Half scale
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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.