Home / 1,036.28-1,430.16-1,022.52

Finding the Fourth Proportional to 1,036.28, 1,430.16 and 1,022.52

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Solution

The fourth proportional to 1,036.28, 1,430.16 and 1,022.52 is: 1,411.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.28 : 1,430.16 = 1,022.52 : x
  2. Step 2: Convert to fraction form
    1,036.28/1,430.16 = 1,022.52/x
  3. Step 3: Cross multiply
    1,036.28x = 1,430.16 × 1,022.52
  4. Step 4: Simplify right side
    1,036.28x = 1,462,367.20
  5. Step 5: Solve for x
    x = 1,462,367.20/1,036.28
  6. Step 6: Final answer
    x = 1,411.17

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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.