Home / 4,886.02-6,744.90-3,119.98

Finding the Fourth Proportional to 4,886.02, 6,744.90 and 3,119.98

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Solution

The fourth proportional to 4,886.02, 6,744.90 and 3,119.98 is: 4,306.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.02 : 6,744.90 = 3,119.98 : x
  2. Step 2: Convert to fraction form
    4,886.02/6,744.90 = 3,119.98/x
  3. Step 3: Cross multiply
    4,886.02x = 6,744.90 × 3,119.98
  4. Step 4: Simplify right side
    4,886.02x = 21,043,953.10
  5. Step 5: Solve for x
    x = 21,043,953.10/4,886.02
  6. Step 6: Final answer
    x = 4,306.97

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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.