Home / 4,690.10-6,472.12-2,801.98

Finding the Fourth Proportional to 4,690.10, 6,472.12 and 2,801.98

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Solution

The fourth proportional to 4,690.10, 6,472.12 and 2,801.98 is: 3,866.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,690.10 : 6,472.12 = 2,801.98 : x
  2. Step 2: Convert to fraction form
    4,690.10/6,472.12 = 2,801.98/x
  3. Step 3: Cross multiply
    4,690.10x = 6,472.12 × 2,801.98
  4. Step 4: Simplify right side
    4,690.10x = 18,134,750.80
  5. Step 5: Solve for x
    x = 18,134,750.80/4,690.10
  6. Step 6: Final answer
    x = 3,866.60

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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.