Home / 2,079.66-3,108.52-1,587.58

Finding the Fourth Proportional to 2,079.66, 3,108.52 and 1,587.58

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Solution

The fourth proportional to 2,079.66, 3,108.52 and 1,587.58 is: 2,373.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079.66 : 3,108.52 = 1,587.58 : x
  2. Step 2: Convert to fraction form
    2,079.66/3,108.52 = 1,587.58/x
  3. Step 3: Cross multiply
    2,079.66x = 3,108.52 × 1,587.58
  4. Step 4: Simplify right side
    2,079.66x = 4,935,024.18
  5. Step 5: Solve for x
    x = 4,935,024.18/2,079.66
  6. Step 6: Final answer
    x = 2,373.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.