Home / 5,133.60-7,085.14-2,895.68

Finding the Fourth Proportional to 5,133.60, 7,085.14 and 2,895.68

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Solution

The fourth proportional to 5,133.60, 7,085.14 and 2,895.68 is: 3,996.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.60 : 7,085.14 = 2,895.68 : x
  2. Step 2: Convert to fraction form
    5,133.60/7,085.14 = 2,895.68/x
  3. Step 3: Cross multiply
    5,133.60x = 7,085.14 × 2,895.68
  4. Step 4: Simplify right side
    5,133.60x = 20,516,308.67
  5. Step 5: Solve for x
    x = 20,516,308.67/5,133.60
  6. Step 6: Final answer
    x = 3,996.48

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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.