Home / 1,776.42-2,669.95-1,470.24

Finding the Fourth Proportional to 1,776.42, 2,669.95 and 1,470.24

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Solution

The fourth proportional to 1,776.42, 2,669.95 and 1,470.24 is: 2,209.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776.42 : 2,669.95 = 1,470.24 : x
  2. Step 2: Convert to fraction form
    1,776.42/2,669.95 = 1,470.24/x
  3. Step 3: Cross multiply
    1,776.42x = 2,669.95 × 1,470.24
  4. Step 4: Simplify right side
    1,776.42x = 3,925,467.29
  5. Step 5: Solve for x
    x = 3,925,467.29/1,776.42
  6. Step 6: Final answer
    x = 2,209.76

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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.