Home / 1,652.19-2,278.71-1,404.33

Finding the Fourth Proportional to 1,652.19, 2,278.71 and 1,404.33

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Solution

The fourth proportional to 1,652.19, 2,278.71 and 1,404.33 is: 1,936.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,652.19 : 2,278.71 = 1,404.33 : x
  2. Step 2: Convert to fraction form
    1,652.19/2,278.71 = 1,404.33/x
  3. Step 3: Cross multiply
    1,652.19x = 2,278.71 × 1,404.33
  4. Step 4: Simplify right side
    1,652.19x = 3,200,060.81
  5. Step 5: Solve for x
    x = 3,200,060.81/1,652.19
  6. Step 6: Final answer
    x = 1,936.86

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Half scale
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Double scale
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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.