Home / 7,359.29-10,148.84-5,678.03

Finding the Fourth Proportional to 7,359.29, 10,148.84 and 5,678.03

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Solution

The fourth proportional to 7,359.29, 10,148.84 and 5,678.03 is: 7,830.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,359.29 : 10,148.84 = 5,678.03 : x
  2. Step 2: Convert to fraction form
    7,359.29/10,148.84 = 5,678.03/x
  3. Step 3: Cross multiply
    7,359.29x = 10,148.84 × 5,678.03
  4. Step 4: Simplify right side
    7,359.29x = 57,625,338.85
  5. Step 5: Solve for x
    x = 57,625,338.85/7,359.29
  6. Step 6: Final answer
    x = 7,830.29

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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.