Home / 5,346.39-8,020.71-1,648.32

Finding the Fourth Proportional to 5,346.39, 8,020.71 and 1,648.32

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Solution

The fourth proportional to 5,346.39, 8,020.71 and 1,648.32 is: 2,472.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,346.39 : 8,020.71 = 1,648.32 : x
  2. Step 2: Convert to fraction form
    5,346.39/8,020.71 = 1,648.32/x
  3. Step 3: Cross multiply
    5,346.39x = 8,020.71 × 1,648.32
  4. Step 4: Simplify right side
    5,346.39x = 13,220,696.71
  5. Step 5: Solve for x
    x = 13,220,696.71/5,346.39
  6. Step 6: Final answer
    x = 2,472.83

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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.