Home / 5,431.95-7,477.11-4,732.11

Finding the Fourth Proportional to 5,431.95, 7,477.11 and 4,732.11

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Solution

The fourth proportional to 5,431.95, 7,477.11 and 4,732.11 is: 6,513.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431.95 : 7,477.11 = 4,732.11 : x
  2. Step 2: Convert to fraction form
    5,431.95/7,477.11 = 4,732.11/x
  3. Step 3: Cross multiply
    5,431.95x = 7,477.11 × 4,732.11
  4. Step 4: Simplify right side
    5,431.95x = 35,382,507.00
  5. Step 5: Solve for x
    x = 35,382,507.00/5,431.95
  6. Step 6: Final answer
    x = 6,513.78

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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.