Home / 3,084.16-4,256.93-1,904.55

Finding the Fourth Proportional to 3,084.16, 4,256.93 and 1,904.55

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Solution

The fourth proportional to 3,084.16, 4,256.93 and 1,904.55 is: 2,628.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,084.16 : 4,256.93 = 1,904.55 : x
  2. Step 2: Convert to fraction form
    3,084.16/4,256.93 = 1,904.55/x
  3. Step 3: Cross multiply
    3,084.16x = 4,256.93 × 1,904.55
  4. Step 4: Simplify right side
    3,084.16x = 8,107,526.51
  5. Step 5: Solve for x
    x = 8,107,526.51/3,084.16
  6. Step 6: Final answer
    x = 2,628.77

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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.