Home / 5,381.10-7,424.46-3,613.14

Finding the Fourth Proportional to 5,381.10, 7,424.46 and 3,613.14

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Solution

The fourth proportional to 5,381.10, 7,424.46 and 3,613.14 is: 4,985.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381.10 : 7,424.46 = 3,613.14 : x
  2. Step 2: Convert to fraction form
    5,381.10/7,424.46 = 3,613.14/x
  3. Step 3: Cross multiply
    5,381.10x = 7,424.46 × 3,613.14
  4. Step 4: Simplify right side
    5,381.10x = 26,825,613.40
  5. Step 5: Solve for x
    x = 26,825,613.40/5,381.10
  6. Step 6: Final answer
    x = 4,985.15

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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.