Home / 4,877.32-7,315.98-2,684.92

Finding the Fourth Proportional to 4,877.32, 7,315.98 and 2,684.92

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Solution

The fourth proportional to 4,877.32, 7,315.98 and 2,684.92 is: 4,027.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,877.32 : 7,315.98 = 2,684.92 : x
  2. Step 2: Convert to fraction form
    4,877.32/7,315.98 = 2,684.92/x
  3. Step 3: Cross multiply
    4,877.32x = 7,315.98 × 2,684.92
  4. Step 4: Simplify right side
    4,877.32x = 19,642,821.02
  5. Step 5: Solve for x
    x = 19,642,821.02/4,877.32
  6. Step 6: Final answer
    x = 4,027.38

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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.