Home / 4,690.12-6,471.88-2,700.28

Finding the Fourth Proportional to 4,690.12, 6,471.88 and 2,700.28

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Solution

The fourth proportional to 4,690.12, 6,471.88 and 2,700.28 is: 3,726.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,690.12 : 6,471.88 = 2,700.28 : x
  2. Step 2: Convert to fraction form
    4,690.12/6,471.88 = 2,700.28/x
  3. Step 3: Cross multiply
    4,690.12x = 6,471.88 × 2,700.28
  4. Step 4: Simplify right side
    4,690.12x = 17,475,888.13
  5. Step 5: Solve for x
    x = 17,475,888.13/4,690.12
  6. Step 6: Final answer
    x = 3,726.11

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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.