Home / 4,915.24-7,373.90-1,628.60

Finding the Fourth Proportional to 4,915.24, 7,373.90 and 1,628.60

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Solution

The fourth proportional to 4,915.24, 7,373.90 and 1,628.60 is: 2,443.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.24 : 7,373.90 = 1,628.60 : x
  2. Step 2: Convert to fraction form
    4,915.24/7,373.90 = 1,628.60/x
  3. Step 3: Cross multiply
    4,915.24x = 7,373.90 × 1,628.60
  4. Step 4: Simplify right side
    4,915.24x = 12,009,133.54
  5. Step 5: Solve for x
    x = 12,009,133.54/4,915.24
  6. Step 6: Final answer
    x = 2,443.24

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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.