Home / 6,938.91-9,576.77-5,458.05

Finding the Fourth Proportional to 6,938.91, 9,576.77 and 5,458.05

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Solution

The fourth proportional to 6,938.91, 9,576.77 and 5,458.05 is: 7,532.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,938.91 : 9,576.77 = 5,458.05 : x
  2. Step 2: Convert to fraction form
    6,938.91/9,576.77 = 5,458.05/x
  3. Step 3: Cross multiply
    6,938.91x = 9,576.77 × 5,458.05
  4. Step 4: Simplify right side
    6,938.91x = 52,270,462.21
  5. Step 5: Solve for x
    x = 52,270,462.21/6,938.91
  6. Step 6: Final answer
    x = 7,532.95

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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.