Home / 1,465.29-2,022.10-802.15

Finding the Fourth Proportional to 1,465.29, 2,022.10 and 802.15

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Solution

The fourth proportional to 1,465.29, 2,022.10 and 802.15 is: 1,106.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465.29 : 2,022.10 = 802.15 : x
  2. Step 2: Convert to fraction form
    1,465.29/2,022.10 = 802.15/x
  3. Step 3: Cross multiply
    1,465.29x = 2,022.10 × 802.15
  4. Step 4: Simplify right side
    1,465.29x = 1,622,027.52
  5. Step 5: Solve for x
    x = 1,622,027.52/1,465.29
  6. Step 6: Final answer
    x = 1,106.97

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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.