Home / 7,091.04-9,785.21-4,106.66

Finding the Fourth Proportional to 7,091.04, 9,785.21 and 4,106.66

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Solution

The fourth proportional to 7,091.04, 9,785.21 and 4,106.66 is: 5,666.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091.04 : 9,785.21 = 4,106.66 : x
  2. Step 2: Convert to fraction form
    7,091.04/9,785.21 = 4,106.66/x
  3. Step 3: Cross multiply
    7,091.04x = 9,785.21 × 4,106.66
  4. Step 4: Simplify right side
    7,091.04x = 40,184,530.50
  5. Step 5: Solve for x
    x = 40,184,530.50/7,091.04
  6. Step 6: Final answer
    x = 5,666.94

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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.