Home / 4,673.40-7,011.70-2,078.12

Finding the Fourth Proportional to 4,673.40, 7,011.70 and 2,078.12

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Solution

The fourth proportional to 4,673.40, 7,011.70 and 2,078.12 is: 3,117.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,673.40 : 7,011.70 = 2,078.12 : x
  2. Step 2: Convert to fraction form
    4,673.40/7,011.70 = 2,078.12/x
  3. Step 3: Cross multiply
    4,673.40x = 7,011.70 × 2,078.12
  4. Step 4: Simplify right side
    4,673.40x = 14,571,154.00
  5. Step 5: Solve for x
    x = 14,571,154.00/4,673.40
  6. Step 6: Final answer
    x = 3,117.89

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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.