Home / 1,477.06-2,037.82-916.95

Finding the Fourth Proportional to 1,477.06, 2,037.82 and 916.95

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Solution

The fourth proportional to 1,477.06, 2,037.82 and 916.95 is: 1,265.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477.06 : 2,037.82 = 916.95 : x
  2. Step 2: Convert to fraction form
    1,477.06/2,037.82 = 916.95/x
  3. Step 3: Cross multiply
    1,477.06x = 2,037.82 × 916.95
  4. Step 4: Simplify right side
    1,477.06x = 1,868,579.05
  5. Step 5: Solve for x
    x = 1,868,579.05/1,477.06
  6. Step 6: Final answer
    x = 1,265.07

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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.