Home / 4,898.61-7,347.80-1,976.85

Finding the Fourth Proportional to 4,898.61, 7,347.80 and 1,976.85

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Solution

The fourth proportional to 4,898.61, 7,347.80 and 1,976.85 is: 2,965.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,898.61 : 7,347.80 = 1,976.85 : x
  2. Step 2: Convert to fraction form
    4,898.61/7,347.80 = 1,976.85/x
  3. Step 3: Cross multiply
    4,898.61x = 7,347.80 × 1,976.85
  4. Step 4: Simplify right side
    4,898.61x = 14,525,488.55
  5. Step 5: Solve for x
    x = 14,525,488.55/4,898.61
  6. Step 6: Final answer
    x = 2,965.23

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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.