Home / 4,172.48-6,259.68-1,251.08

Finding the Fourth Proportional to 4,172.48, 6,259.68 and 1,251.08

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Solution

The fourth proportional to 4,172.48, 6,259.68 and 1,251.08 is: 1,876.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.48 : 6,259.68 = 1,251.08 : x
  2. Step 2: Convert to fraction form
    4,172.48/6,259.68 = 1,251.08/x
  3. Step 3: Cross multiply
    4,172.48x = 6,259.68 × 1,251.08
  4. Step 4: Simplify right side
    4,172.48x = 7,831,360.45
  5. Step 5: Solve for x
    x = 7,831,360.45/4,172.48
  6. Step 6: Final answer
    x = 1,876.91

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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.