Home / 5,777.01-7,972.83-3,681

Finding the Fourth Proportional to 5,777.01, 7,972.83 and 3,681

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Solution

The fourth proportional to 5,777.01, 7,972.83 and 3,681 is: 5,080.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,777.01 : 7,972.83 = 3,681 : x
  2. Step 2: Convert to fraction form
    5,777.01/7,972.83 = 3,681/x
  3. Step 3: Cross multiply
    5,777.01x = 7,972.83 × 3,681
  4. Step 4: Simplify right side
    5,777.01x = 29,347,987.23
  5. Step 5: Solve for x
    x = 29,347,987.23/5,777.01
  6. Step 6: Final answer
    x = 5,080.13

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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.