Home / 3,067.02-4,598.46-986.40

Finding the Fourth Proportional to 3,067.02, 4,598.46 and 986.40

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Solution

The fourth proportional to 3,067.02, 4,598.46 and 986.40 is: 1,478.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,067.02 : 4,598.46 = 986.40 : x
  2. Step 2: Convert to fraction form
    3,067.02/4,598.46 = 986.40/x
  3. Step 3: Cross multiply
    3,067.02x = 4,598.46 × 986.40
  4. Step 4: Simplify right side
    3,067.02x = 4,535,920.94
  5. Step 5: Solve for x
    x = 4,535,920.94/3,067.02
  6. Step 6: Final answer
    x = 1,478.93

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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.