Home / 7,090.84-9,784.29-4,106.97

Finding the Fourth Proportional to 7,090.84, 9,784.29 and 4,106.97

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Solution

The fourth proportional to 7,090.84, 9,784.29 and 4,106.97 is: 5,667.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.84 : 9,784.29 = 4,106.97 : x
  2. Step 2: Convert to fraction form
    7,090.84/9,784.29 = 4,106.97/x
  3. Step 3: Cross multiply
    7,090.84x = 9,784.29 × 4,106.97
  4. Step 4: Simplify right side
    7,090.84x = 40,183,785.50
  5. Step 5: Solve for x
    x = 40,183,785.50/7,090.84
  6. Step 6: Final answer
    x = 5,667.00

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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.