Home / 7,374.34-10,176.51-4,231.02

Finding the Fourth Proportional to 7,374.34, 10,176.51 and 4,231.02

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Solution

The fourth proportional to 7,374.34, 10,176.51 and 4,231.02 is: 5,838.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374.34 : 10,176.51 = 4,231.02 : x
  2. Step 2: Convert to fraction form
    7,374.34/10,176.51 = 4,231.02/x
  3. Step 3: Cross multiply
    7,374.34x = 10,176.51 × 4,231.02
  4. Step 4: Simplify right side
    7,374.34x = 43,057,017.34
  5. Step 5: Solve for x
    x = 43,057,017.34/7,374.34
  6. Step 6: Final answer
    x = 5,838.76

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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.