Home / 4,915.92-7,373.16-1,629.12

Finding the Fourth Proportional to 4,915.92, 7,373.16 and 1,629.12

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Solution

The fourth proportional to 4,915.92, 7,373.16 and 1,629.12 is: 2,443.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.92 : 7,373.16 = 1,629.12 : x
  2. Step 2: Convert to fraction form
    4,915.92/7,373.16 = 1,629.12/x
  3. Step 3: Cross multiply
    4,915.92x = 7,373.16 × 1,629.12
  4. Step 4: Simplify right side
    4,915.92x = 12,011,762.42
  5. Step 5: Solve for x
    x = 12,011,762.42/4,915.92
  6. Step 6: Final answer
    x = 2,443.44

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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.