Home / 5,312.14-7,330.92-2,921.99

Finding the Fourth Proportional to 5,312.14, 7,330.92 and 2,921.99

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Solution

The fourth proportional to 5,312.14, 7,330.92 and 2,921.99 is: 4,032.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.14 : 7,330.92 = 2,921.99 : x
  2. Step 2: Convert to fraction form
    5,312.14/7,330.92 = 2,921.99/x
  3. Step 3: Cross multiply
    5,312.14x = 7,330.92 × 2,921.99
  4. Step 4: Simplify right side
    5,312.14x = 21,420,915.92
  5. Step 5: Solve for x
    x = 21,420,915.92/5,312.14
  6. Step 6: Final answer
    x = 4,032.44

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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.