Home / 4,712.28-7,068.39-1,249.50

Finding the Fourth Proportional to 4,712.28, 7,068.39 and 1,249.50

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Solution

The fourth proportional to 4,712.28, 7,068.39 and 1,249.50 is: 1,874.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712.28 : 7,068.39 = 1,249.50 : x
  2. Step 2: Convert to fraction form
    4,712.28/7,068.39 = 1,249.50/x
  3. Step 3: Cross multiply
    4,712.28x = 7,068.39 × 1,249.50
  4. Step 4: Simplify right side
    4,712.28x = 8,831,953.31
  5. Step 5: Solve for x
    x = 8,831,953.31/4,712.28
  6. Step 6: Final answer
    x = 1,874.24

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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.