Home / 5,142.08-7,096.02-2,784.18

Finding the Fourth Proportional to 5,142.08, 7,096.02 and 2,784.18

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Solution

The fourth proportional to 5,142.08, 7,096.02 and 2,784.18 is: 3,842.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,142.08 : 7,096.02 = 2,784.18 : x
  2. Step 2: Convert to fraction form
    5,142.08/7,096.02 = 2,784.18/x
  3. Step 3: Cross multiply
    5,142.08x = 7,096.02 × 2,784.18
  4. Step 4: Simplify right side
    5,142.08x = 19,756,596.96
  5. Step 5: Solve for x
    x = 19,756,596.96/5,142.08
  6. Step 6: Final answer
    x = 3,842.14

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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.