Home / 7,920.59-10,930.15-4,383.32

Finding the Fourth Proportional to 7,920.59, 10,930.15 and 4,383.32

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Solution

The fourth proportional to 7,920.59, 10,930.15 and 4,383.32 is: 6,048.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,920.59 : 10,930.15 = 4,383.32 : x
  2. Step 2: Convert to fraction form
    7,920.59/10,930.15 = 4,383.32/x
  3. Step 3: Cross multiply
    7,920.59x = 10,930.15 × 4,383.32
  4. Step 4: Simplify right side
    7,920.59x = 47,910,345.10
  5. Step 5: Solve for x
    x = 47,910,345.10/7,920.59
  6. Step 6: Final answer
    x = 6,048.84

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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.