Home / 7,100.06-9,798.08-4,117.61

Finding the Fourth Proportional to 7,100.06, 9,798.08 and 4,117.61

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Solution

The fourth proportional to 7,100.06, 9,798.08 and 4,117.61 is: 5,682.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,100.06 : 9,798.08 = 4,117.61 : x
  2. Step 2: Convert to fraction form
    7,100.06/9,798.08 = 4,117.61/x
  3. Step 3: Cross multiply
    7,100.06x = 9,798.08 × 4,117.61
  4. Step 4: Simplify right side
    7,100.06x = 40,344,676.10
  5. Step 5: Solve for x
    x = 40,344,676.10/7,100.06
  6. Step 6: Final answer
    x = 5,682.30

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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.