Home / 3,130.12-4,695.59-1,049.23

Finding the Fourth Proportional to 3,130.12, 4,695.59 and 1,049.23

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Solution

The fourth proportional to 3,130.12, 4,695.59 and 1,049.23 is: 1,573.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130.12 : 4,695.59 = 1,049.23 : x
  2. Step 2: Convert to fraction form
    3,130.12/4,695.59 = 1,049.23/x
  3. Step 3: Cross multiply
    3,130.12x = 4,695.59 × 1,049.23
  4. Step 4: Simplify right side
    3,130.12x = 4,926,753.90
  5. Step 5: Solve for x
    x = 4,926,753.90/3,130.12
  6. Step 6: Final answer
    x = 1,573.98

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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.