Home / 2,085.03-2,877.35-1,140.81

Finding the Fourth Proportional to 2,085.03, 2,877.35 and 1,140.81

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Solution

The fourth proportional to 2,085.03, 2,877.35 and 1,140.81 is: 1,574.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085.03 : 2,877.35 = 1,140.81 : x
  2. Step 2: Convert to fraction form
    2,085.03/2,877.35 = 1,140.81/x
  3. Step 3: Cross multiply
    2,085.03x = 2,877.35 × 1,140.81
  4. Step 4: Simplify right side
    2,085.03x = 3,282,509.65
  5. Step 5: Solve for x
    x = 3,282,509.65/2,085.03
  6. Step 6: Final answer
    x = 1,574.32

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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.