Home / 5,240.15-7,859.01-2,316.86

Finding the Fourth Proportional to 5,240.15, 7,859.01 and 2,316.86

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Solution

The fourth proportional to 5,240.15, 7,859.01 and 2,316.86 is: 3,474.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.15 : 7,859.01 = 2,316.86 : x
  2. Step 2: Convert to fraction form
    5,240.15/7,859.01 = 2,316.86/x
  3. Step 3: Cross multiply
    5,240.15x = 7,859.01 × 2,316.86
  4. Step 4: Simplify right side
    5,240.15x = 18,208,225.91
  5. Step 5: Solve for x
    x = 18,208,225.91/5,240.15
  6. Step 6: Final answer
    x = 3,474.75

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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.