Home / 5,247.77-7,878.33-4,512.05

Finding the Fourth Proportional to 5,247.77, 7,878.33 and 4,512.05

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Solution

The fourth proportional to 5,247.77, 7,878.33 and 4,512.05 is: 6,773.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.77 : 7,878.33 = 4,512.05 : x
  2. Step 2: Convert to fraction form
    5,247.77/7,878.33 = 4,512.05/x
  3. Step 3: Cross multiply
    5,247.77x = 7,878.33 × 4,512.05
  4. Step 4: Simplify right side
    5,247.77x = 35,547,434.31
  5. Step 5: Solve for x
    x = 35,547,434.31/5,247.77
  6. Step 6: Final answer
    x = 6,773.81

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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.