Home / 1,536.04-2,119.10-1,070.56

Finding the Fourth Proportional to 1,536.04, 2,119.10 and 1,070.56

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Solution

The fourth proportional to 1,536.04, 2,119.10 and 1,070.56 is: 1,476.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536.04 : 2,119.10 = 1,070.56 : x
  2. Step 2: Convert to fraction form
    1,536.04/2,119.10 = 1,070.56/x
  3. Step 3: Cross multiply
    1,536.04x = 2,119.10 × 1,070.56
  4. Step 4: Simplify right side
    1,536.04x = 2,268,623.70
  5. Step 5: Solve for x
    x = 2,268,623.70/1,536.04
  6. Step 6: Final answer
    x = 1,476.93

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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.