Home / 2,077.16-2,869.20-1,539.88

Finding the Fourth Proportional to 2,077.16, 2,869.20 and 1,539.88

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Solution

The fourth proportional to 2,077.16, 2,869.20 and 1,539.88 is: 2,127.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077.16 : 2,869.20 = 1,539.88 : x
  2. Step 2: Convert to fraction form
    2,077.16/2,869.20 = 1,539.88/x
  3. Step 3: Cross multiply
    2,077.16x = 2,869.20 × 1,539.88
  4. Step 4: Simplify right side
    2,077.16x = 4,418,216.52
  5. Step 5: Solve for x
    x = 4,418,216.52/2,077.16
  6. Step 6: Final answer
    x = 2,127.05

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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.