Home / 7,088.79-10,629.64-4,128.22

Finding the Fourth Proportional to 7,088.79, 10,629.64 and 4,128.22

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Solution

The fourth proportional to 7,088.79, 10,629.64 and 4,128.22 is: 6,190.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,088.79 : 10,629.64 = 4,128.22 : x
  2. Step 2: Convert to fraction form
    7,088.79/10,629.64 = 4,128.22/x
  3. Step 3: Cross multiply
    7,088.79x = 10,629.64 × 4,128.22
  4. Step 4: Simplify right side
    7,088.79x = 43,881,492.44
  5. Step 5: Solve for x
    x = 43,881,492.44/7,088.79
  6. Step 6: Final answer
    x = 6,190.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.