Home / 7,192.58-9,920.65-4,801.35

Finding the Fourth Proportional to 7,192.58, 9,920.65 and 4,801.35

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Solution

The fourth proportional to 7,192.58, 9,920.65 and 4,801.35 is: 6,622.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192.58 : 9,920.65 = 4,801.35 : x
  2. Step 2: Convert to fraction form
    7,192.58/9,920.65 = 4,801.35/x
  3. Step 3: Cross multiply
    7,192.58x = 9,920.65 × 4,801.35
  4. Step 4: Simplify right side
    7,192.58x = 47,632,439.27
  5. Step 5: Solve for x
    x = 47,632,439.27/7,192.58
  6. Step 6: Final answer
    x = 6,622.44

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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.