Home / 7,374.59-10,176.53-4,187.80

Finding the Fourth Proportional to 7,374.59, 10,176.53 and 4,187.80

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Solution

The fourth proportional to 7,374.59, 10,176.53 and 4,187.80 is: 5,778.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374.59 : 10,176.53 = 4,187.80 : x
  2. Step 2: Convert to fraction form
    7,374.59/10,176.53 = 4,187.80/x
  3. Step 3: Cross multiply
    7,374.59x = 10,176.53 × 4,187.80
  4. Step 4: Simplify right side
    7,374.59x = 42,617,257.36
  5. Step 5: Solve for x
    x = 42,617,257.36/7,374.59
  6. Step 6: Final answer
    x = 5,778.94

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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.