Home / 5,375.58-7,417.98-3,137.19

Finding the Fourth Proportional to 5,375.58, 7,417.98 and 3,137.19

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Solution

The fourth proportional to 5,375.58, 7,417.98 and 3,137.19 is: 4,329.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.58 : 7,417.98 = 3,137.19 : x
  2. Step 2: Convert to fraction form
    5,375.58/7,417.98 = 3,137.19/x
  3. Step 3: Cross multiply
    5,375.58x = 7,417.98 × 3,137.19
  4. Step 4: Simplify right side
    5,375.58x = 23,271,612.68
  5. Step 5: Solve for x
    x = 23,271,612.68/5,375.58
  6. Step 6: Final answer
    x = 4,329.14

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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.