Home / 5,373.96-7,412.28-3,783.92

Finding the Fourth Proportional to 5,373.96, 7,412.28 and 3,783.92

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Solution

The fourth proportional to 5,373.96, 7,412.28 and 3,783.92 is: 5,219.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,373.96 : 7,412.28 = 3,783.92 : x
  2. Step 2: Convert to fraction form
    5,373.96/7,412.28 = 3,783.92/x
  3. Step 3: Cross multiply
    5,373.96x = 7,412.28 × 3,783.92
  4. Step 4: Simplify right side
    5,373.96x = 28,047,474.54
  5. Step 5: Solve for x
    x = 28,047,474.54/5,373.96
  6. Step 6: Final answer
    x = 5,219.14

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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.