Home / 2,370.52-3,555.51-1,120.83

Finding the Fourth Proportional to 2,370.52, 3,555.51 and 1,120.83

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Solution

The fourth proportional to 2,370.52, 3,555.51 and 1,120.83 is: 1,681.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,370.52 : 3,555.51 = 1,120.83 : x
  2. Step 2: Convert to fraction form
    2,370.52/3,555.51 = 1,120.83/x
  3. Step 3: Cross multiply
    2,370.52x = 3,555.51 × 1,120.83
  4. Step 4: Simplify right side
    2,370.52x = 3,985,122.27
  5. Step 5: Solve for x
    x = 3,985,122.27/2,370.52
  6. Step 6: Final answer
    x = 1,681.12

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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.