Home / 2,957.07-4,080.87-1,630.92

Finding the Fourth Proportional to 2,957.07, 4,080.87 and 1,630.92

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Solution

The fourth proportional to 2,957.07, 4,080.87 and 1,630.92 is: 2,250.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.07 : 4,080.87 = 1,630.92 : x
  2. Step 2: Convert to fraction form
    2,957.07/4,080.87 = 1,630.92/x
  3. Step 3: Cross multiply
    2,957.07x = 4,080.87 × 1,630.92
  4. Step 4: Simplify right side
    2,957.07x = 6,655,572.50
  5. Step 5: Solve for x
    x = 6,655,572.50/2,957.07
  6. Step 6: Final answer
    x = 2,250.73

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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.