Home / 2,953.93-4,432.09-1,105.57

Finding the Fourth Proportional to 2,953.93, 4,432.09 and 1,105.57

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Solution

The fourth proportional to 2,953.93, 4,432.09 and 1,105.57 is: 1,658.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953.93 : 4,432.09 = 1,105.57 : x
  2. Step 2: Convert to fraction form
    2,953.93/4,432.09 = 1,105.57/x
  3. Step 3: Cross multiply
    2,953.93x = 4,432.09 × 1,105.57
  4. Step 4: Simplify right side
    2,953.93x = 4,899,985.74
  5. Step 5: Solve for x
    x = 4,899,985.74/2,953.93
  6. Step 6: Final answer
    x = 1,658.80

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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.