Home / 2,117.07-2,921.72-1,232.93

Finding the Fourth Proportional to 2,117.07, 2,921.72 and 1,232.93

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Solution

The fourth proportional to 2,117.07, 2,921.72 and 1,232.93 is: 1,701.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117.07 : 2,921.72 = 1,232.93 : x
  2. Step 2: Convert to fraction form
    2,117.07/2,921.72 = 1,232.93/x
  3. Step 3: Cross multiply
    2,117.07x = 2,921.72 × 1,232.93
  4. Step 4: Simplify right side
    2,117.07x = 3,602,277.38
  5. Step 5: Solve for x
    x = 3,602,277.38/2,117.07
  6. Step 6: Final answer
    x = 1,701.54

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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.