Home / 1,863.19-2,566.85-1,533.52

Finding the Fourth Proportional to 1,863.19, 2,566.85 and 1,533.52

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Solution

The fourth proportional to 1,863.19, 2,566.85 and 1,533.52 is: 2,112.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863.19 : 2,566.85 = 1,533.52 : x
  2. Step 2: Convert to fraction form
    1,863.19/2,566.85 = 1,533.52/x
  3. Step 3: Cross multiply
    1,863.19x = 2,566.85 × 1,533.52
  4. Step 4: Simplify right side
    1,863.19x = 3,936,315.81
  5. Step 5: Solve for x
    x = 3,936,315.81/1,863.19
  6. Step 6: Final answer
    x = 2,112.68

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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.