Home / 5,535.63-8,303.43-1,640.34

Finding the Fourth Proportional to 5,535.63, 8,303.43 and 1,640.34

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Solution

The fourth proportional to 5,535.63, 8,303.43 and 1,640.34 is: 2,460.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,535.63 : 8,303.43 = 1,640.34 : x
  2. Step 2: Convert to fraction form
    5,535.63/8,303.43 = 1,640.34/x
  3. Step 3: Cross multiply
    5,535.63x = 8,303.43 × 1,640.34
  4. Step 4: Simplify right side
    5,535.63x = 13,620,448.37
  5. Step 5: Solve for x
    x = 13,620,448.37/5,535.63
  6. Step 6: Final answer
    x = 2,460.51

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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.