Home / 5,339.81-7,372.01-3,549.71

Finding the Fourth Proportional to 5,339.81, 7,372.01 and 3,549.71

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Solution

The fourth proportional to 5,339.81, 7,372.01 and 3,549.71 is: 4,900.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,339.81 : 7,372.01 = 3,549.71 : x
  2. Step 2: Convert to fraction form
    5,339.81/7,372.01 = 3,549.71/x
  3. Step 3: Cross multiply
    5,339.81x = 7,372.01 × 3,549.71
  4. Step 4: Simplify right side
    5,339.81x = 26,168,497.62
  5. Step 5: Solve for x
    x = 26,168,497.62/5,339.81
  6. Step 6: Final answer
    x = 4,900.64

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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.