Home / 7,360.89-10,161.79-5,678.52

Finding the Fourth Proportional to 7,360.89, 10,161.79 and 5,678.52

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Solution

The fourth proportional to 7,360.89, 10,161.79 and 5,678.52 is: 7,839.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,360.89 : 10,161.79 = 5,678.52 : x
  2. Step 2: Convert to fraction form
    7,360.89/10,161.79 = 5,678.52/x
  3. Step 3: Cross multiply
    7,360.89x = 10,161.79 × 5,678.52
  4. Step 4: Simplify right side
    7,360.89x = 57,703,848.55
  5. Step 5: Solve for x
    x = 57,703,848.55/7,360.89
  6. Step 6: Final answer
    x = 7,839.25

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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.