Home / 5,460.17-8,190.20-1,564.56

Finding the Fourth Proportional to 5,460.17, 8,190.20 and 1,564.56

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Solution

The fourth proportional to 5,460.17, 8,190.20 and 1,564.56 is: 2,346.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,460.17 : 8,190.20 = 1,564.56 : x
  2. Step 2: Convert to fraction form
    5,460.17/8,190.20 = 1,564.56/x
  3. Step 3: Cross multiply
    5,460.17x = 8,190.20 × 1,564.56
  4. Step 4: Simplify right side
    5,460.17x = 12,814,051.49
  5. Step 5: Solve for x
    x = 12,814,051.49/5,460.17
  6. Step 6: Final answer
    x = 2,346.82

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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.