Home / 5,483.11-7,515.95-5,409.28

Finding the Fourth Proportional to 5,483.11, 7,515.95 and 5,409.28

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Solution

The fourth proportional to 5,483.11, 7,515.95 and 5,409.28 is: 7,414.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,483.11 : 7,515.95 = 5,409.28 : x
  2. Step 2: Convert to fraction form
    5,483.11/7,515.95 = 5,409.28/x
  3. Step 3: Cross multiply
    5,483.11x = 7,515.95 × 5,409.28
  4. Step 4: Simplify right side
    5,483.11x = 40,655,878.02
  5. Step 5: Solve for x
    x = 40,655,878.02/5,483.11
  6. Step 6: Final answer
    x = 7,414.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.