Home / 1,573.14-2,357.79-694.70

Finding the Fourth Proportional to 1,573.14, 2,357.79 and 694.70

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Solution

The fourth proportional to 1,573.14, 2,357.79 and 694.70 is: 1,041.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573.14 : 2,357.79 = 694.70 : x
  2. Step 2: Convert to fraction form
    1,573.14/2,357.79 = 694.70/x
  3. Step 3: Cross multiply
    1,573.14x = 2,357.79 × 694.70
  4. Step 4: Simplify right side
    1,573.14x = 1,637,956.71
  5. Step 5: Solve for x
    x = 1,637,956.71/1,573.14
  6. Step 6: Final answer
    x = 1,041.20

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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.