Home / 1,933.34-2,900.78-1,153.77

Finding the Fourth Proportional to 1,933.34, 2,900.78 and 1,153.77

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Solution

The fourth proportional to 1,933.34, 2,900.78 and 1,153.77 is: 1,731.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.34 : 2,900.78 = 1,153.77 : x
  2. Step 2: Convert to fraction form
    1,933.34/2,900.78 = 1,153.77/x
  3. Step 3: Cross multiply
    1,933.34x = 2,900.78 × 1,153.77
  4. Step 4: Simplify right side
    1,933.34x = 3,346,827.17
  5. Step 5: Solve for x
    x = 3,346,827.17/1,933.34
  6. Step 6: Final answer
    x = 1,731.11

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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.