Home / 5,697.78-8,539.96-2,574.13

Finding the Fourth Proportional to 5,697.78, 8,539.96 and 2,574.13

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Solution

The fourth proportional to 5,697.78, 8,539.96 and 2,574.13 is: 3,858.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,697.78 : 8,539.96 = 2,574.13 : x
  2. Step 2: Convert to fraction form
    5,697.78/8,539.96 = 2,574.13/x
  3. Step 3: Cross multiply
    5,697.78x = 8,539.96 × 2,574.13
  4. Step 4: Simplify right side
    5,697.78x = 21,982,967.23
  5. Step 5: Solve for x
    x = 21,982,967.23/5,697.78
  6. Step 6: Final answer
    x = 3,858.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.