Home / 1,590.97-2,386.05-1,070.68

Finding the Fourth Proportional to 1,590.97, 2,386.05 and 1,070.68

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Solution

The fourth proportional to 1,590.97, 2,386.05 and 1,070.68 is: 1,605.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590.97 : 2,386.05 = 1,070.68 : x
  2. Step 2: Convert to fraction form
    1,590.97/2,386.05 = 1,070.68/x
  3. Step 3: Cross multiply
    1,590.97x = 2,386.05 × 1,070.68
  4. Step 4: Simplify right side
    1,590.97x = 2,554,696.01
  5. Step 5: Solve for x
    x = 2,554,696.01/1,590.97
  6. Step 6: Final answer
    x = 1,605.75

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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.