Home / 2,001.93-2,762.58-1,117.74

Finding the Fourth Proportional to 2,001.93, 2,762.58 and 1,117.74

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Solution

The fourth proportional to 2,001.93, 2,762.58 and 1,117.74 is: 1,542.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.93 : 2,762.58 = 1,117.74 : x
  2. Step 2: Convert to fraction form
    2,001.93/2,762.58 = 1,117.74/x
  3. Step 3: Cross multiply
    2,001.93x = 2,762.58 × 1,117.74
  4. Step 4: Simplify right side
    2,001.93x = 3,087,846.17
  5. Step 5: Solve for x
    x = 3,087,846.17/2,001.93
  6. Step 6: Final answer
    x = 1,542.43

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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.