Home / 2,001.48-2,762.11-1,117.23

Finding the Fourth Proportional to 2,001.48, 2,762.11 and 1,117.23

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Solution

The fourth proportional to 2,001.48, 2,762.11 and 1,117.23 is: 1,541.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.48 : 2,762.11 = 1,117.23 : x
  2. Step 2: Convert to fraction form
    2,001.48/2,762.11 = 1,117.23/x
  3. Step 3: Cross multiply
    2,001.48x = 2,762.11 × 1,117.23
  4. Step 4: Simplify right side
    2,001.48x = 3,085,916.42
  5. Step 5: Solve for x
    x = 3,085,916.42/2,001.48
  6. Step 6: Final answer
    x = 1,541.81

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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.