Home / 5,051.59-7,574.37-2,087.73

Finding the Fourth Proportional to 5,051.59, 7,574.37 and 2,087.73

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Solution

The fourth proportional to 5,051.59, 7,574.37 and 2,087.73 is: 3,130.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,051.59 : 7,574.37 = 2,087.73 : x
  2. Step 2: Convert to fraction form
    5,051.59/7,574.37 = 2,087.73/x
  3. Step 3: Cross multiply
    5,051.59x = 7,574.37 × 2,087.73
  4. Step 4: Simplify right side
    5,051.59x = 15,813,239.48
  5. Step 5: Solve for x
    x = 15,813,239.48/5,051.59
  6. Step 6: Final answer
    x = 3,130.35

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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.