Home / 4,035.66-5,570.76-3,615.30

Finding the Fourth Proportional to 4,035.66, 5,570.76 and 3,615.30

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Solution

The fourth proportional to 4,035.66, 5,570.76 and 3,615.30 is: 4,990.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,035.66 : 5,570.76 = 3,615.30 : x
  2. Step 2: Convert to fraction form
    4,035.66/5,570.76 = 3,615.30/x
  3. Step 3: Cross multiply
    4,035.66x = 5,570.76 × 3,615.30
  4. Step 4: Simplify right side
    4,035.66x = 20,139,968.63
  5. Step 5: Solve for x
    x = 20,139,968.63/4,035.66
  6. Step 6: Final answer
    x = 4,990.50

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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.