Home / 4,908.18-7,389.91-4,326.92

Finding the Fourth Proportional to 4,908.18, 7,389.91 and 4,326.92

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Solution

The fourth proportional to 4,908.18, 7,389.91 and 4,326.92 is: 6,514.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,908.18 : 7,389.91 = 4,326.92 : x
  2. Step 2: Convert to fraction form
    4,908.18/7,389.91 = 4,326.92/x
  3. Step 3: Cross multiply
    4,908.18x = 7,389.91 × 4,326.92
  4. Step 4: Simplify right side
    4,908.18x = 31,975,549.38
  5. Step 5: Solve for x
    x = 31,975,549.38/4,908.18
  6. Step 6: Final answer
    x = 6,514.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.