Home / 5,442.12-7,510.25-3,851.62

Finding the Fourth Proportional to 5,442.12, 7,510.25 and 3,851.62

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Solution

The fourth proportional to 5,442.12, 7,510.25 and 3,851.62 is: 5,315.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,442.12 : 7,510.25 = 3,851.62 : x
  2. Step 2: Convert to fraction form
    5,442.12/7,510.25 = 3,851.62/x
  3. Step 3: Cross multiply
    5,442.12x = 7,510.25 × 3,851.62
  4. Step 4: Simplify right side
    5,442.12x = 28,926,619.96
  5. Step 5: Solve for x
    x = 28,926,619.96/5,442.12
  6. Step 6: Final answer
    x = 5,315.32

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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.