Home / 4,292.48-5,920-2,718.08

Finding the Fourth Proportional to 4,292.48, 5,920 and 2,718.08

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Solution

The fourth proportional to 4,292.48, 5,920 and 2,718.08 is: 3,748.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,292.48 : 5,920 = 2,718.08 : x
  2. Step 2: Convert to fraction form
    4,292.48/5,920 = 2,718.08/x
  3. Step 3: Cross multiply
    4,292.48x = 5,920 × 2,718.08
  4. Step 4: Simplify right side
    4,292.48x = 16,091,033.60
  5. Step 5: Solve for x
    x = 16,091,033.60/4,292.48
  6. Step 6: Final answer
    x = 3,748.66

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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.