Home / 5,240.01-7,856.98-2,117.46

Finding the Fourth Proportional to 5,240.01, 7,856.98 and 2,117.46

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Solution

The fourth proportional to 5,240.01, 7,856.98 and 2,117.46 is: 3,174.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.01 : 7,856.98 = 2,117.46 : x
  2. Step 2: Convert to fraction form
    5,240.01/7,856.98 = 2,117.46/x
  3. Step 3: Cross multiply
    5,240.01x = 7,856.98 × 2,117.46
  4. Step 4: Simplify right side
    5,240.01x = 16,636,865.04
  5. Step 5: Solve for x
    x = 16,636,865.04/5,240.01
  6. Step 6: Final answer
    x = 3,174.97

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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.