Home / 3,011.28-4,156.47-1,752.63

Finding the Fourth Proportional to 3,011.28, 4,156.47 and 1,752.63

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Solution

The fourth proportional to 3,011.28, 4,156.47 and 1,752.63 is: 2,419.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,011.28 : 4,156.47 = 1,752.63 : x
  2. Step 2: Convert to fraction form
    3,011.28/4,156.47 = 1,752.63/x
  3. Step 3: Cross multiply
    3,011.28x = 4,156.47 × 1,752.63
  4. Step 4: Simplify right side
    3,011.28x = 7,284,754.02
  5. Step 5: Solve for x
    x = 7,284,754.02/3,011.28
  6. Step 6: Final answer
    x = 2,419.16

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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.