Home / 4,579.53-6,869.30-1,116.78

Finding the Fourth Proportional to 4,579.53, 6,869.30 and 1,116.78

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Solution

The fourth proportional to 4,579.53, 6,869.30 and 1,116.78 is: 1,675.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,579.53 : 6,869.30 = 1,116.78 : x
  2. Step 2: Convert to fraction form
    4,579.53/6,869.30 = 1,116.78/x
  3. Step 3: Cross multiply
    4,579.53x = 6,869.30 × 1,116.78
  4. Step 4: Simplify right side
    4,579.53x = 7,671,491.27
  5. Step 5: Solve for x
    x = 7,671,491.27/4,579.53
  6. Step 6: Final answer
    x = 1,675.17

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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.