Home / 5,484.95-7,560.13-3,889.54

Finding the Fourth Proportional to 5,484.95, 7,560.13 and 3,889.54

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Solution

The fourth proportional to 5,484.95, 7,560.13 and 3,889.54 is: 5,361.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,484.95 : 7,560.13 = 3,889.54 : x
  2. Step 2: Convert to fraction form
    5,484.95/7,560.13 = 3,889.54/x
  3. Step 3: Cross multiply
    5,484.95x = 7,560.13 × 3,889.54
  4. Step 4: Simplify right side
    5,484.95x = 29,405,428.04
  5. Step 5: Solve for x
    x = 29,405,428.04/5,484.95
  6. Step 6: Final answer
    x = 5,361.11

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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.