Home / 2,565.32-3,537.18-2,191.16

Finding the Fourth Proportional to 2,565.32, 3,537.18 and 2,191.16

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Solution

The fourth proportional to 2,565.32, 3,537.18 and 2,191.16 is: 3,021.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,565.32 : 3,537.18 = 2,191.16 : x
  2. Step 2: Convert to fraction form
    2,565.32/3,537.18 = 2,191.16/x
  3. Step 3: Cross multiply
    2,565.32x = 3,537.18 × 2,191.16
  4. Step 4: Simplify right side
    2,565.32x = 7,750,527.33
  5. Step 5: Solve for x
    x = 7,750,527.33/2,565.32
  6. Step 6: Final answer
    x = 3,021.27

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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.