Home / 5,709.07-7,877.01-3,470.37

Finding the Fourth Proportional to 5,709.07, 7,877.01 and 3,470.37

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Solution

The fourth proportional to 5,709.07, 7,877.01 and 3,470.37 is: 4,788.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,709.07 : 7,877.01 = 3,470.37 : x
  2. Step 2: Convert to fraction form
    5,709.07/7,877.01 = 3,470.37/x
  3. Step 3: Cross multiply
    5,709.07x = 7,877.01 × 3,470.37
  4. Step 4: Simplify right side
    5,709.07x = 27,336,139.19
  5. Step 5: Solve for x
    x = 27,336,139.19/5,709.07
  6. Step 6: Final answer
    x = 4,788.19

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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.