Home / 4,854.16-6,696.84-2,987.92

Finding the Fourth Proportional to 4,854.16, 6,696.84 and 2,987.92

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Solution

The fourth proportional to 4,854.16, 6,696.84 and 2,987.92 is: 4,122.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,854.16 : 6,696.84 = 2,987.92 : x
  2. Step 2: Convert to fraction form
    4,854.16/6,696.84 = 2,987.92/x
  3. Step 3: Cross multiply
    4,854.16x = 6,696.84 × 2,987.92
  4. Step 4: Simplify right side
    4,854.16x = 20,009,622.17
  5. Step 5: Solve for x
    x = 20,009,622.17/4,854.16
  6. Step 6: Final answer
    x = 4,122.16

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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.