Home / 7,191.77-9,924.35-4,004.91

Finding the Fourth Proportional to 7,191.77, 9,924.35 and 4,004.91

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Solution

The fourth proportional to 7,191.77, 9,924.35 and 4,004.91 is: 5,526.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,191.77 : 9,924.35 = 4,004.91 : x
  2. Step 2: Convert to fraction form
    7,191.77/9,924.35 = 4,004.91/x
  3. Step 3: Cross multiply
    7,191.77x = 9,924.35 × 4,004.91
  4. Step 4: Simplify right side
    7,191.77x = 39,746,108.53
  5. Step 5: Solve for x
    x = 39,746,108.53/7,191.77
  6. Step 6: Final answer
    x = 5,526.61

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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.