Home / 5,265.81-7,268.13-3,851.55

Finding the Fourth Proportional to 5,265.81, 7,268.13 and 3,851.55

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Solution

The fourth proportional to 5,265.81, 7,268.13 and 3,851.55 is: 5,316.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265.81 : 7,268.13 = 3,851.55 : x
  2. Step 2: Convert to fraction form
    5,265.81/7,268.13 = 3,851.55/x
  3. Step 3: Cross multiply
    5,265.81x = 7,268.13 × 3,851.55
  4. Step 4: Simplify right side
    5,265.81x = 27,993,566.10
  5. Step 5: Solve for x
    x = 27,993,566.10/5,265.81
  6. Step 6: Final answer
    x = 5,316.10

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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.