Home / 2,952.28-4,070.34-2,419.18

Finding the Fourth Proportional to 2,952.28, 4,070.34 and 2,419.18

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Solution

The fourth proportional to 2,952.28, 4,070.34 and 2,419.18 is: 3,335.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,952.28 : 4,070.34 = 2,419.18 : x
  2. Step 2: Convert to fraction form
    2,952.28/4,070.34 = 2,419.18/x
  3. Step 3: Cross multiply
    2,952.28x = 4,070.34 × 2,419.18
  4. Step 4: Simplify right side
    2,952.28x = 9,846,885.12
  5. Step 5: Solve for x
    x = 9,846,885.12/2,952.28
  6. Step 6: Final answer
    x = 3,335.35

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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.