Home / 3,125.45-4,687.65-1,045.24

Finding the Fourth Proportional to 3,125.45, 4,687.65 and 1,045.24

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Solution

The fourth proportional to 3,125.45, 4,687.65 and 1,045.24 is: 1,567.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.45 : 4,687.65 = 1,045.24 : x
  2. Step 2: Convert to fraction form
    3,125.45/4,687.65 = 1,045.24/x
  3. Step 3: Cross multiply
    3,125.45x = 4,687.65 × 1,045.24
  4. Step 4: Simplify right side
    3,125.45x = 4,899,707.57
  5. Step 5: Solve for x
    x = 4,899,707.57/3,125.45
  6. Step 6: Final answer
    x = 1,567.68

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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.