Home / 3,529.19-4,870.28-1,914.11

Finding the Fourth Proportional to 3,529.19, 4,870.28 and 1,914.11

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Solution

The fourth proportional to 3,529.19, 4,870.28 and 1,914.11 is: 2,641.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.19 : 4,870.28 = 1,914.11 : x
  2. Step 2: Convert to fraction form
    3,529.19/4,870.28 = 1,914.11/x
  3. Step 3: Cross multiply
    3,529.19x = 4,870.28 × 1,914.11
  4. Step 4: Simplify right side
    3,529.19x = 9,322,242.08
  5. Step 5: Solve for x
    x = 9,322,242.08/3,529.19
  6. Step 6: Final answer
    x = 2,641.47

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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.