Home / 4,784.15-7,126.88-4,639.07

Finding the Fourth Proportional to 4,784.15, 7,126.88 and 4,639.07

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Solution

The fourth proportional to 4,784.15, 7,126.88 and 4,639.07 is: 6,910.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,784.15 : 7,126.88 = 4,639.07 : x
  2. Step 2: Convert to fraction form
    4,784.15/7,126.88 = 4,639.07/x
  3. Step 3: Cross multiply
    4,784.15x = 7,126.88 × 4,639.07
  4. Step 4: Simplify right side
    4,784.15x = 33,062,036.37
  5. Step 5: Solve for x
    x = 33,062,036.37/4,784.15
  6. Step 6: Final answer
    x = 6,910.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.