Home / 5,615.48-8,424.30-1,867.52

Finding the Fourth Proportional to 5,615.48, 8,424.30 and 1,867.52

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Solution

The fourth proportional to 5,615.48, 8,424.30 and 1,867.52 is: 2,801.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615.48 : 8,424.30 = 1,867.52 : x
  2. Step 2: Convert to fraction form
    5,615.48/8,424.30 = 1,867.52/x
  3. Step 3: Cross multiply
    5,615.48x = 8,424.30 × 1,867.52
  4. Step 4: Simplify right side
    5,615.48x = 15,732,548.74
  5. Step 5: Solve for x
    x = 15,732,548.74/5,615.48
  6. Step 6: Final answer
    x = 2,801.64

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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.