Home / 4,102.10-6,153.81-1,329.47

Finding the Fourth Proportional to 4,102.10, 6,153.81 and 1,329.47

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Solution

The fourth proportional to 4,102.10, 6,153.81 and 1,329.47 is: 1,994.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.10 : 6,153.81 = 1,329.47 : x
  2. Step 2: Convert to fraction form
    4,102.10/6,153.81 = 1,329.47/x
  3. Step 3: Cross multiply
    4,102.10x = 6,153.81 × 1,329.47
  4. Step 4: Simplify right side
    4,102.10x = 8,181,275.01
  5. Step 5: Solve for x
    x = 8,181,275.01/4,102.10
  6. Step 6: Final answer
    x = 1,994.41

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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.