Home / 5,415.08-8,087.06-4,668.77

Finding the Fourth Proportional to 5,415.08, 8,087.06 and 4,668.77

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Solution

The fourth proportional to 5,415.08, 8,087.06 and 4,668.77 is: 6,972.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415.08 : 8,087.06 = 4,668.77 : x
  2. Step 2: Convert to fraction form
    5,415.08/8,087.06 = 4,668.77/x
  3. Step 3: Cross multiply
    5,415.08x = 8,087.06 × 4,668.77
  4. Step 4: Simplify right side
    5,415.08x = 37,756,655.01
  5. Step 5: Solve for x
    x = 37,756,655.01/5,415.08
  6. Step 6: Final answer
    x = 6,972.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.