Home / 3,695.28-5,512.54-3,430.10

Finding the Fourth Proportional to 3,695.28, 5,512.54 and 3,430.10

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Solution

The fourth proportional to 3,695.28, 5,512.54 and 3,430.10 is: 5,116.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,695.28 : 5,512.54 = 3,430.10 : x
  2. Step 2: Convert to fraction form
    3,695.28/5,512.54 = 3,430.10/x
  3. Step 3: Cross multiply
    3,695.28x = 5,512.54 × 3,430.10
  4. Step 4: Simplify right side
    3,695.28x = 18,908,563.45
  5. Step 5: Solve for x
    x = 18,908,563.45/3,695.28
  6. Step 6: Final answer
    x = 5,116.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.