Home / 5,357.70-8,038.86-2,240.01

Finding the Fourth Proportional to 5,357.70, 8,038.86 and 2,240.01

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Solution

The fourth proportional to 5,357.70, 8,038.86 and 2,240.01 is: 3,360.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,357.70 : 8,038.86 = 2,240.01 : x
  2. Step 2: Convert to fraction form
    5,357.70/8,038.86 = 2,240.01/x
  3. Step 3: Cross multiply
    5,357.70x = 8,038.86 × 2,240.01
  4. Step 4: Simplify right side
    5,357.70x = 18,007,126.79
  5. Step 5: Solve for x
    x = 18,007,126.79/5,357.70
  6. Step 6: Final answer
    x = 3,360.98

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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.