Home / 2,205.04-3,043.14-1,210.51

Finding the Fourth Proportional to 2,205.04, 3,043.14 and 1,210.51

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Solution

The fourth proportional to 2,205.04, 3,043.14 and 1,210.51 is: 1,670.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205.04 : 3,043.14 = 1,210.51 : x
  2. Step 2: Convert to fraction form
    2,205.04/3,043.14 = 1,210.51/x
  3. Step 3: Cross multiply
    2,205.04x = 3,043.14 × 1,210.51
  4. Step 4: Simplify right side
    2,205.04x = 3,683,751.40
  5. Step 5: Solve for x
    x = 3,683,751.40/2,205.04
  6. Step 6: Final answer
    x = 1,670.61

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Double scale
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1.5x scale

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.