Home / 7,071.45-9,759.06-4,088.22

Finding the Fourth Proportional to 7,071.45, 9,759.06 and 4,088.22

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Solution

The fourth proportional to 7,071.45, 9,759.06 and 4,088.22 is: 5,642.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,071.45 : 9,759.06 = 4,088.22 : x
  2. Step 2: Convert to fraction form
    7,071.45/9,759.06 = 4,088.22/x
  3. Step 3: Cross multiply
    7,071.45x = 9,759.06 × 4,088.22
  4. Step 4: Simplify right side
    7,071.45x = 39,897,184.27
  5. Step 5: Solve for x
    x = 39,897,184.27/7,071.45
  6. Step 6: Final answer
    x = 5,642.01

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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.