Home / 7,210.52-10,815.77-2,016.39

Finding the Fourth Proportional to 7,210.52, 10,815.77 and 2,016.39

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Solution

The fourth proportional to 7,210.52, 10,815.77 and 2,016.39 is: 3,024.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210.52 : 10,815.77 = 2,016.39 : x
  2. Step 2: Convert to fraction form
    7,210.52/10,815.77 = 2,016.39/x
  3. Step 3: Cross multiply
    7,210.52x = 10,815.77 × 2,016.39
  4. Step 4: Simplify right side
    7,210.52x = 21,808,815.51
  5. Step 5: Solve for x
    x = 21,808,815.51/7,210.52
  6. Step 6: Final answer
    x = 3,024.59

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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.