Home / 4,817.12-6,646.85-2,927.69

Finding the Fourth Proportional to 4,817.12, 6,646.85 and 2,927.69

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Solution

The fourth proportional to 4,817.12, 6,646.85 and 2,927.69 is: 4,039.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,817.12 : 6,646.85 = 2,927.69 : x
  2. Step 2: Convert to fraction form
    4,817.12/6,646.85 = 2,927.69/x
  3. Step 3: Cross multiply
    4,817.12x = 6,646.85 × 2,927.69
  4. Step 4: Simplify right side
    4,817.12x = 19,459,901.64
  5. Step 5: Solve for x
    x = 19,459,901.64/4,817.12
  6. Step 6: Final answer
    x = 4,039.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.