Home / 5,417.42-8,121.26-4,498.88

Finding the Fourth Proportional to 5,417.42, 8,121.26 and 4,498.88

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Solution

The fourth proportional to 5,417.42, 8,121.26 and 4,498.88 is: 6,744.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.42 : 8,121.26 = 4,498.88 : x
  2. Step 2: Convert to fraction form
    5,417.42/8,121.26 = 4,498.88/x
  3. Step 3: Cross multiply
    5,417.42x = 8,121.26 × 4,498.88
  4. Step 4: Simplify right side
    5,417.42x = 36,536,574.19
  5. Step 5: Solve for x
    x = 36,536,574.19/5,417.42
  6. Step 6: Final answer
    x = 6,744.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.