Home / 7,550.68-10,420.21-4,193.55

Finding the Fourth Proportional to 7,550.68, 10,420.21 and 4,193.55

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Solution

The fourth proportional to 7,550.68, 10,420.21 and 4,193.55 is: 5,787.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,550.68 : 10,420.21 = 4,193.55 : x
  2. Step 2: Convert to fraction form
    7,550.68/10,420.21 = 4,193.55/x
  3. Step 3: Cross multiply
    7,550.68x = 10,420.21 × 4,193.55
  4. Step 4: Simplify right side
    7,550.68x = 43,697,671.65
  5. Step 5: Solve for x
    x = 43,697,671.65/7,550.68
  6. Step 6: Final answer
    x = 5,787.25

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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.