Home / 5,227.94-7,214.65-2,870.16

Finding the Fourth Proportional to 5,227.94, 7,214.65 and 2,870.16

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Solution

The fourth proportional to 5,227.94, 7,214.65 and 2,870.16 is: 3,960.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.94 : 7,214.65 = 2,870.16 : x
  2. Step 2: Convert to fraction form
    5,227.94/7,214.65 = 2,870.16/x
  3. Step 3: Cross multiply
    5,227.94x = 7,214.65 × 2,870.16
  4. Step 4: Simplify right side
    5,227.94x = 20,707,192.67
  5. Step 5: Solve for x
    x = 20,707,192.67/5,227.94
  6. Step 6: Final answer
    x = 3,960.87

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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.