Home / 5,460.45-7,535.64-3,102.81

Finding the Fourth Proportional to 5,460.45, 7,535.64 and 3,102.81

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Solution

The fourth proportional to 5,460.45, 7,535.64 and 3,102.81 is: 4,282.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,460.45 : 7,535.64 = 3,102.81 : x
  2. Step 2: Convert to fraction form
    5,460.45/7,535.64 = 3,102.81/x
  3. Step 3: Cross multiply
    5,460.45x = 7,535.64 × 3,102.81
  4. Step 4: Simplify right side
    5,460.45x = 23,381,659.15
  5. Step 5: Solve for x
    x = 23,381,659.15/5,460.45
  6. Step 6: Final answer
    x = 4,282.00

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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.