Home / 1,914.24-2,870.99-527.23

Finding the Fourth Proportional to 1,914.24, 2,870.99 and 527.23

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Solution

The fourth proportional to 1,914.24, 2,870.99 and 527.23 is: 790.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914.24 : 2,870.99 = 527.23 : x
  2. Step 2: Convert to fraction form
    1,914.24/2,870.99 = 527.23/x
  3. Step 3: Cross multiply
    1,914.24x = 2,870.99 × 527.23
  4. Step 4: Simplify right side
    1,914.24x = 1,513,672.06
  5. Step 5: Solve for x
    x = 1,513,672.06/1,914.24
  6. Step 6: Final answer
    x = 790.74

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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.