Home / 1,535.28-2,303.25-713.13

Finding the Fourth Proportional to 1,535.28, 2,303.25 and 713.13

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Solution

The fourth proportional to 1,535.28, 2,303.25 and 713.13 is: 1,069.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535.28 : 2,303.25 = 713.13 : x
  2. Step 2: Convert to fraction form
    1,535.28/2,303.25 = 713.13/x
  3. Step 3: Cross multiply
    1,535.28x = 2,303.25 × 713.13
  4. Step 4: Simplify right side
    1,535.28x = 1,642,516.67
  5. Step 5: Solve for x
    x = 1,642,516.67/1,535.28
  6. Step 6: Final answer
    x = 1,069.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.