Home / 1,477.08-2,037.69-953.28

Finding the Fourth Proportional to 1,477.08, 2,037.69 and 953.28

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Solution

The fourth proportional to 1,477.08, 2,037.69 and 953.28 is: 1,315.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477.08 : 2,037.69 = 953.28 : x
  2. Step 2: Convert to fraction form
    1,477.08/2,037.69 = 953.28/x
  3. Step 3: Cross multiply
    1,477.08x = 2,037.69 × 953.28
  4. Step 4: Simplify right side
    1,477.08x = 1,942,489.12
  5. Step 5: Solve for x
    x = 1,942,489.12/1,477.08
  6. Step 6: Final answer
    x = 1,315.09

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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.