Home / 5,367.59-7,409.28-3,130.17

Finding the Fourth Proportional to 5,367.59, 7,409.28 and 3,130.17

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Solution

The fourth proportional to 5,367.59, 7,409.28 and 3,130.17 is: 4,320.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,367.59 : 7,409.28 = 3,130.17 : x
  2. Step 2: Convert to fraction form
    5,367.59/7,409.28 = 3,130.17/x
  3. Step 3: Cross multiply
    5,367.59x = 7,409.28 × 3,130.17
  4. Step 4: Simplify right side
    5,367.59x = 23,192,289.93
  5. Step 5: Solve for x
    x = 23,192,289.93/5,367.59
  6. Step 6: Final answer
    x = 4,320.80

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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.