Home / 7,362.90-10,154.03-5,479.16

Finding the Fourth Proportional to 7,362.90, 10,154.03 and 5,479.16

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Solution

The fourth proportional to 7,362.90, 10,154.03 and 5,479.16 is: 7,556.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,362.90 : 10,154.03 = 5,479.16 : x
  2. Step 2: Convert to fraction form
    7,362.90/10,154.03 = 5,479.16/x
  3. Step 3: Cross multiply
    7,362.90x = 10,154.03 × 5,479.16
  4. Step 4: Simplify right side
    7,362.90x = 55,635,476.85
  5. Step 5: Solve for x
    x = 55,635,476.85/7,362.90
  6. Step 6: Final answer
    x = 7,556.19

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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.