Home / 3,565.95-4,920.18-2,149.26

Finding the Fourth Proportional to 3,565.95, 4,920.18 and 2,149.26

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Solution

The fourth proportional to 3,565.95, 4,920.18 and 2,149.26 is: 2,965.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,565.95 : 4,920.18 = 2,149.26 : x
  2. Step 2: Convert to fraction form
    3,565.95/4,920.18 = 2,149.26/x
  3. Step 3: Cross multiply
    3,565.95x = 4,920.18 × 2,149.26
  4. Step 4: Simplify right side
    3,565.95x = 10,574,746.07
  5. Step 5: Solve for x
    x = 10,574,746.07/3,565.95
  6. Step 6: Final answer
    x = 2,965.48

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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.