Home / 2,077.95-3,117.84-1,615.04

Finding the Fourth Proportional to 2,077.95, 3,117.84 and 1,615.04

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Solution

The fourth proportional to 2,077.95, 3,117.84 and 1,615.04 is: 2,423.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077.95 : 3,117.84 = 1,615.04 : x
  2. Step 2: Convert to fraction form
    2,077.95/3,117.84 = 1,615.04/x
  3. Step 3: Cross multiply
    2,077.95x = 3,117.84 × 1,615.04
  4. Step 4: Simplify right side
    2,077.95x = 5,035,436.31
  5. Step 5: Solve for x
    x = 5,035,436.31/2,077.95
  6. Step 6: Final answer
    x = 2,423.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.