Home / 5,828.40-8,742.60-2,365.65

Finding the Fourth Proportional to 5,828.40, 8,742.60 and 2,365.65

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Solution

The fourth proportional to 5,828.40, 8,742.60 and 2,365.65 is: 3,548.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,828.40 : 8,742.60 = 2,365.65 : x
  2. Step 2: Convert to fraction form
    5,828.40/8,742.60 = 2,365.65/x
  3. Step 3: Cross multiply
    5,828.40x = 8,742.60 × 2,365.65
  4. Step 4: Simplify right side
    5,828.40x = 20,681,931.69
  5. Step 5: Solve for x
    x = 20,681,931.69/5,828.40
  6. Step 6: Final answer
    x = 3,548.48

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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.