Home / 4,931.95-7,399.65-3,080.89

Finding the Fourth Proportional to 4,931.95, 7,399.65 and 3,080.89

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Solution

The fourth proportional to 4,931.95, 7,399.65 and 3,080.89 is: 4,622.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.95 : 7,399.65 = 3,080.89 : x
  2. Step 2: Convert to fraction form
    4,931.95/7,399.65 = 3,080.89/x
  3. Step 3: Cross multiply
    4,931.95x = 7,399.65 × 3,080.89
  4. Step 4: Simplify right side
    4,931.95x = 22,797,507.69
  5. Step 5: Solve for x
    x = 22,797,507.69/4,931.95
  6. Step 6: Final answer
    x = 4,622.41

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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.