Home / 1,595.15-2,201.52-965.70

Finding the Fourth Proportional to 1,595.15, 2,201.52 and 965.70

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Solution

The fourth proportional to 1,595.15, 2,201.52 and 965.70 is: 1,332.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,595.15 : 2,201.52 = 965.70 : x
  2. Step 2: Convert to fraction form
    1,595.15/2,201.52 = 965.70/x
  3. Step 3: Cross multiply
    1,595.15x = 2,201.52 × 965.70
  4. Step 4: Simplify right side
    1,595.15x = 2,126,007.86
  5. Step 5: Solve for x
    x = 2,126,007.86/1,595.15
  6. Step 6: Final answer
    x = 1,332.80

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1.5x scale

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.