Home / 5,152.91-7,103.26-4,031.90

Finding the Fourth Proportional to 5,152.91, 7,103.26 and 4,031.90

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Solution

The fourth proportional to 5,152.91, 7,103.26 and 4,031.90 is: 5,557.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,152.91 : 7,103.26 = 4,031.90 : x
  2. Step 2: Convert to fraction form
    5,152.91/7,103.26 = 4,031.90/x
  3. Step 3: Cross multiply
    5,152.91x = 7,103.26 × 4,031.90
  4. Step 4: Simplify right side
    5,152.91x = 28,639,588.40
  5. Step 5: Solve for x
    x = 28,639,588.40/5,152.91
  6. Step 6: Final answer
    x = 5,557.95

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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.